Intel Xeon Platinum 8280L vs AMD Ryzen 9 4900U

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CPU comparison with benchmarks


Intel Xeon Platinum 8280L CPU1 vs CPU2 AMD Ryzen 9 4900U
Intel Xeon Platinum 8280L AMD Ryzen 9 4900U

CPU comparison

Intel Xeon Platinum 8280L or AMD Ryzen 9 4900U - 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 Xeon Platinum 8280L has 28 cores with 56 threads and clocks with a maximum frequency of 4.00 GHz. Up to 4608 GB of memory is supported in 6 memory channels. The Intel Xeon Platinum 8280L was released in Q3/2019.

The AMD Ryzen 9 4900U has 8 cores with 16 threads and clocks with a maximum frequency of 4.40 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The AMD Ryzen 9 4900U was released in Q1/2020.
Intel Xeon Platinum (89) Family AMD Ryzen 9 (40)
Intel Xeon Platinum 8200/9200 (21) CPU group AMD Ryzen 4000U (11)
2 Generation 3
Cascade Lake Architecture Renoir (Zen 2)
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Platinum 8280L has 28 CPU cores and can calculate 56 threads in parallel. The clock frequency of the Intel Xeon Platinum 8280L is 2.70 GHz (4.00 GHz) while the AMD Ryzen 9 4900U has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 4900U is at 2.00 GHz (4.40 GHz).

Intel Xeon Platinum 8280L Characteristic AMD Ryzen 9 4900U
28 Cores 8
56 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.70 GHz Frequency 2.00 GHz
4.00 GHz Turbo Frequency (1 Core) 4.40 GHz
2.70 GHz Turbo Frequency (All Cores) 3.40 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Xeon Platinum 8280L Characteristic AMD Ryzen 9 4900U
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Xeon Platinum 8280L or AMD Ryzen 9 4900U 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.

no iGPU GPU AMD Radeon RX Vega 8 (Renoir)
GPU frequency 0.40 GHz
-- GPU (Turbo) 1.75 GHz
-- GPU Generation 9
Technology 7 nm
Max. displays 3
-- Compute units 8
-- Shader 512
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 8 GB
-- DirectX Version 12

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.

no iGPU GPU AMD Radeon RX Vega 8 (Renoir)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Xeon Platinum 8280L can use up to 4608 GB of memory in 6 memory channels. The maximum memory bandwidth is 140.7 GB/s. The AMD Ryzen 9 4900U supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s.

Intel Xeon Platinum 8280L Characteristic AMD Ryzen 9 4900U
DDR4-2933 Memory LPDDR4-4266, DDR4-3200
4608 GB Max. Memory 64 GB
6 (Hexa Channel) Memory channels 2 (Dual Channel)
140.7 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC Yes
-- L2 Cache --
38.50 MB L3 Cache 8.00 MB
3.0 PCIe version 3.0
48 PCIe lanes 12
47.3 GB/s PCIe Bandwidth 11.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon Platinum 8280L is 205 W, while the AMD Ryzen 9 4900U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Xeon Platinum 8280L Characteristic AMD Ryzen 9 4900U
205 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up 25 W
-- TDP down 10 W
-- Tjunction max. 105 °C

Technical details

The Intel Xeon Platinum 8280L is manufactured in 14 nm and has 38.50 MB cache. The AMD Ryzen 9 4900U is manufactured in 7 nm and has a 8.00 MB cache.

Intel Xeon Platinum 8280L Characteristic AMD Ryzen 9 4900U
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, AVX-512 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
LGA 3647 Socket FP6
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q3/2019 Release date Q1/2020
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
Intel Xeon Platinum 8280L (83%)
AMD Ryzen 9 4900U (100%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Xeon Platinum 8280L (100%)
AMD Ryzen 9 4900U (30%)

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 Xeon Platinum 8280L Intel Xeon Platinum 8280L
28C 56T @ 4.00 GHz
1037 (81%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
1279 (100%)

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 Xeon Platinum 8280L Intel Xeon Platinum 8280L
28C 56T @ 4.00 GHz
1128 (94%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
1203 (100%)

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 Xeon Platinum 8280L Intel Xeon Platinum 8280L
28C 56T @ 2.70 GHz
21508 (100%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
6422 (30%)

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 Xeon Platinum 8280L Intel Xeon Platinum 8280L
28C 56T @ 4.00 GHz
378 (75%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
501 (100%)

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 Xeon Platinum 8280L Intel Xeon Platinum 8280L
28C 56T @ 2.70 GHz
49876 (100%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 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 Xeon Platinum 8280L Intel Xeon Platinum 8280L
28C 56T @ 2.70 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
3292 (100%)

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 Xeon Platinum 8280L Intel Xeon Platinum 8280L
@ 0.00 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz
1792 (100%)

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 Xeon Platinum 8280L Intel Xeon Platinum 8280L
28C 56T @ 4.00 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
204 (100%)

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 Xeon Platinum 8280L Intel Xeon Platinum 8280L
28C 56T @ 2.70 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
1384 (100%)

Devices using this processor

Intel Xeon Platinum 8280L AMD Ryzen 9 4900U
Unknown Unknown

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