Intel Core i9-9900K vs Intel Core Ultra 5 135U

Last updated: 2024-01-09

CPU comparison with benchmarks


Intel Core i9-9900K		Intel Core Ultra 5 135U
CPU comparison Intel Core i9-9900K or Intel Core Ultra 5 135U - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results. The Intel Core i9-9900K has 8 cores with 16 threads and clocks with a maximum frequency of 5.00 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i9-9900K was released in Q4/2018. The Intel Core Ultra 5 135U has 12 cores with 14 threads and clocks with a maximum frequency of 4.40 GHz. The CPU supports up to 96 GB of memory in 2 memory channels. The Intel Core Ultra 5 135U was released in Q4/2023.

Intel Core i9 (78)	Family	Intel Core Ultra 5 (10)
Intel Core i 9000 (34)	CPU group	Intel Core Ultra 100U (7)
9	Generation	1
Coffee Lake S Refresh	Architecture	Meteor Lake U
Desktop / Server	Segment	Mobile
--	Predecessor	--
Intel Core i9-10900K	Successor	--

CPU Cores and Base Frequency The Intel Core i9-9900K has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Core i9-9900K is 3.60 GHz (5.00 GHz) while the Intel Core Ultra 5 135U has 12 CPU cores and 14 threads can calculate simultaneously. The clock frequency of the Intel Core Ultra 5 135U is at 1.60 GHz (4.40 GHz).
Intel Core i9-9900K	Characteristic	Intel Core Ultra 5 135U
8	Cores	12
16	Threads	14
normal	Core architecture	hybrid (big.LITTLE)
Yes	Hyperthreading	Yes
Yes	Overclocking ?	No
3.60 GHz (5.00 GHz)	A-Core	1.60 GHz (4.40 GHz) 2x Redwood Cove
--	B-Core	1.10 GHz (3.60 GHz) 8x Crestmont
--	C-Core	0.70 GHz (2.10 GHz) 2x Crestmont
Artificial Intelligence and Machine Learning Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
Intel Core i9-9900K	Characteristic	Intel Core Ultra 5 135U
--	AI hardware	Intel AI engine
--	AI specifications	Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT)

Internal Graphics The Intel Core i9-9900K or Intel Core Ultra 5 135U has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
Intel UHD Graphics 630	GPU	Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake)
0.35 GHz	GPU frequency	0.60 GHz
1.20 GHz	GPU (Turbo)	1.90 GHz
9.5	GPU Generation	--
14 nm	Technology	5 nm
3	Max. displays	4
24	Compute units	64
192	Shader	512
No	Hardware Raytracing	Yes
No	Frame Generation	No
64 GB	Max. GPU Memory	32 GB
12	DirectX Version	12.2

Hardware codec support A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Intel UHD Graphics 630	GPU	Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake)
Decode / Encode	Codec h265 / HEVC (8 bit)	Decode / Encode
Decode / Encode	Codec h265 / HEVC (10 bit)	Decode / Encode
Decode / Encode	Codec h264	Decode / Encode
Decode / Encode	Codec VP9	Decode
Decode / Encode	Codec VP8	Decode
No	Codec AV1	Decode / Encode
Decode / Encode	Codec AVC	Decode / Encode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The Intel Core i9-9900K can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 42.7 GB/s. The Intel Core Ultra 5 135U supports up to 96 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s.
Intel Core i9-9900K	Characteristic	Intel Core Ultra 5 135U
DDR4-2666	Memory	LPDDR5X-7500, DDR5-5600
128 GB	Max. Memory	96 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
42.7 GB/s	Max. Bandwidth	120.0 GB/s
No	ECC	No
--	L2 Cache	12.00 MB
16.00 MB	L3 Cache	--
3.0	PCIe version	4.0
16	PCIe lanes	20
15.8 GB/s	PCIe Bandwidth	39.4 GB/s
Thermal Management The thermal design power (TDP for short) of the Intel Core i9-9900K is 95 W, while the Intel Core Ultra 5 135U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Core i9-9900K	Characteristic	Intel Core Ultra 5 135U
95 W	TDP (PL1 / PBP)	15 W
119 W @ 28 s	TDP (PL2)	57 W
--	TDP up	28 W
--	TDP down	12 W
100 °C	Tjunction max.	110 °C
Technical details The Intel Core i9-9900K is manufactured in 14 nm and has 16.00 MB cache. The Intel Core Ultra 5 135U is manufactured in 7 nm and has a 12.00 MB cache.
Intel Core i9-9900K	Characteristic	Intel Core Ultra 5 135U
14 nm	Technology	7 nm
Monolithic	Chip design	Chiplet
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2	ISA extensions	SSE4.1, SSE4.2, AVX2
LGA 1151-2	Socket	BGA 2049
VT-x, VT-x EPT, VT-d	Virtualization	VT-x, VT-x EPT, VT-d
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems	Windows 11, Linux
Q4/2018	Release date	Q4/2023
650 $	Release price	--

show more data		show more data

Intel Core i9-9900K 8C 16T @ 3.60 GHz (5.00 GHz) buy now on Amazon and save! Intel Core Ultra 5 135U 12C 14T @ 1.60 GHz (4.40 GHz) buy now on Amazon and save!

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iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.


	Intel Core i9-9900K Intel UHD Graphics 630 @ 1.20 GHz	461 (24%)
	Intel Core Ultra 5 135U Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.90 GHz	1885 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.


	Intel Core i9-9900K 8C 16T @ 5.00 GHz	77 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 4.40 GHz	0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.


	Intel Core i9-9900K 8C 16T @ 5.00 GHz	640 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 4.40 GHz	0 (0%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i9-9900K 8C 16T @ 5.00 GHz	1294 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 4.40 GHz	0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i9-9900K 8C 16T @ 4.70 GHz	12812 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 1.60 GHz	0 (0%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i9-9900K 8C 16T @ 5.00 GHz	1342 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 4.40 GHz	0 (0%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i9-9900K 8C 16T @ 4.70 GHz	8779 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 1.60 GHz	0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.


	Intel Core i9-9900K 8C 16T @ 5.00 GHz	1650 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 4.40 GHz	0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.


	Intel Core i9-9900K 8C 16T @ 4.70 GHz	8182 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 1.60 GHz	0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i9-9900K 8C 16T @ 5.00 GHz	518 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 4.40 GHz	0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i9-9900K 8C 16T @ 4.70 GHz	4995 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 1.60 GHz	0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.


	Intel Core i9-9900K 8C 16T @ 4.70 GHz	171 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 1.60 GHz	0 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.


	Intel Core i9-9900K 8C 16T @ 4.70 GHz	18702 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 1.60 GHz	0 (0%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.


	Intel Core i9-9900K 8C 16T @ 4.70 GHz	163.8 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 1.60 GHz	0 (0%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.


	Intel Core i9-9900K 8C 16T @ 4.70 GHz	545 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 1.60 GHz	0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.


	Intel Core i9-9900K 8C 16T @ 3.60 GHz	5502 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 1.60 GHz	0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i9-9900K 8C 16T @ 5.00 GHz	219 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 4.40 GHz	0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i9-9900K 8C 16T @ 4.70 GHz	2245 (100%)
	Intel Core Ultra 5 135U 12C 14T @ 1.60 GHz	0 (0%)

Devices using this processor
Intel Core i9-9900K	Intel Core Ultra 5 135U
Memory PC Intel i9-9900K Multimedia Office PC Intel Core i9 9900K Corsair ONE i160 Kompakter Gaming-PC Intel Core i9-9900K	Unknown

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