AMD Ryzen 5 8640U vs Intel Core Ultra 5 134U

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CPU comparison with benchmarks


AMD Ryzen 5 8640U CPU1 vs CPU2 Intel Core Ultra 5 134U
AMD Ryzen 5 8640U Intel Core Ultra 5 134U

CPU comparison

AMD Ryzen 5 8640U or Intel Core Ultra 5 134U - 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 AMD Ryzen 5 8640U has 6 cores with 12 threads and clocks with a maximum frequency of 4.90 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 8640U was released in Q1/2024.

The Intel Core Ultra 5 134U has 12 cores with 14 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 Intel Core Ultra 5 134U was released in Q1/2024.
AMD Ryzen 5 (86) Family Intel Core Ultra 5 (10)
AMD Ryzen 8040 (20) CPU group Intel Core Ultra 100U (7)
7 Generation 1
Hawk Point (Zen 4) Architecture Meteor Lake U
Mobile Segment Mobile
AMD Ryzen 5 7640U Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 8640U has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the AMD Ryzen 5 8640U is 3.50 GHz (4.90 GHz) while the Intel Core Ultra 5 134U has 12 CPU cores and 14 threads can calculate simultaneously. The clock frequency of the Intel Core Ultra 5 134U is at 0.70 GHz (4.40 GHz).

AMD Ryzen 5 8640U Characteristic Intel Core Ultra 5 134U
6 Cores 12
12 Threads 14
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
No Overclocking ? No
3.50 GHz (4.90 GHz)
6x Zen 4
A-Core 0.70 GHz (4.40 GHz)
2x Redwood Cove
-- B-Core 0.50 GHz (3.60 GHz)
8x Crestmont
-- C-Core 0.40 GHz (2.10 GHz)
2x Crestmont

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.

AMD Ryzen 5 8640U Characteristic Intel Core Ultra 5 134U
-- AI hardware Intel® AI Boost
-- AI specifications Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT)
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD Ryzen 5 8640U or Intel Core Ultra 5 134U 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.

AMD Radeon 760M GPU Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake)
0.80 GHz GPU frequency 0.60 GHz
2.60 GHz GPU (Turbo) 1.75 GHz
10 GPU Generation --
4 nm Technology 5 nm
4 Max. displays 4
8 Compute units 64
512 Shader 512
Yes Hardware Raytracing Yes
AMD FSR Frame Generation No
32 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.

AMD Radeon 760M 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 Codec VP9 Decode
Decode Codec VP8 Decode
Decode / Encode Codec AV1 Decode / Encode
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen 5 8640U can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The Intel Core Ultra 5 134U supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 102.4 GB/s.

AMD Ryzen 5 8640U Characteristic Intel Core Ultra 5 134U
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory LPDDR5-6400
256 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 102.4 GB/s
Yes ECC No
6.00 MB L2 Cache 12.00 MB
16.00 MB L3 Cache --
4.0 PCIe version 4.0
20 PCIe lanes 12
39.4 GB/s PCIe Bandwidth 23.6 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD Ryzen 5 8640U is 28 W, while the Intel Core Ultra 5 134U has a TDP of 9 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Ryzen 5 8640U Characteristic Intel Core Ultra 5 134U
28 W TDP (PL1 / PBP) 9 W
-- TDP (PL2) 30 W
30 W TDP up 15 W
15 W TDP down --
100 °C Tjunction max. 110 °C

Technical details

The AMD Ryzen 5 8640U is manufactured in 4 nm and has 22.00 MB cache. The Intel Core Ultra 5 134U is manufactured in 7 nm and has a 12.00 MB cache.

AMD Ryzen 5 8640U Characteristic Intel Core Ultra 5 134U
4 nm Technology 7 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions SSE4.1, SSE4.2, AVX2
FP8 Socket BGA 2551
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 11, Linux
Q1/2024 Release date Q1/2024
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Ryzen 5 8640U (100%)
Intel Core Ultra 5 134U (90%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Ryzen 5 8640U (100%)
Intel Core Ultra 5 134U (94%)

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.
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 GHz
2340 (100%)
Intel Core Ultra 5 134U Intel Core Ultra 5 134U
12C 14T @ 4.40 GHz
2095 (90%)

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.
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
9197 (100%)
Intel Core Ultra 5 134U Intel Core Ultra 5 134U
12C 14T @ 0.70 GHz
8614 (94%)

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.
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
AMD Radeon 760M @ 2.60 GHz
2663 (100%)
Intel Core Ultra 5 134U Intel Core Ultra 5 134U
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.75 GHz
1735 (65%)

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.
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 GHz
1552 (100%)
Intel Core Ultra 5 134U Intel Core Ultra 5 134U
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.
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
10675 (100%)
Intel Core Ultra 5 134U Intel Core Ultra 5 134U
12C 14T @ 0.70 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.
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 GHz
1869 (100%)
Intel Core Ultra 5 134U Intel Core Ultra 5 134U
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.
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
8853 (100%)
Intel Core Ultra 5 134U Intel Core Ultra 5 134U
12C 14T @ 0.70 GHz
0 (0%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
10,675 CB R23 MC @ 24 W
445 (100%)
Intel Core Ultra 5 134U Intel Core Ultra 5 134U
0.70 GHz
0 (0%)

Devices using this processor

AMD Ryzen 5 8640U Intel Core Ultra 5 134U
Unknown Unknown

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