Valve Steam Deck (2023 Refresh) vs AMD Ryzen 5 7640U

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CPU comparison with benchmarks


Valve Steam Deck (2023 Refresh) CPU1 vs CPU2 AMD Ryzen 5 7640U
Valve Steam Deck (2023 Refresh) AMD Ryzen 5 7640U

CPU comparison

In this CPU comparison, we compare the Valve Steam Deck (2023 Refresh) and the AMD Ryzen 5 7640U and use benchmarks to check which processor is faster.

We compare the Valve Steam Deck (2023 Refresh) 4 core processor released in Q4/2023 with the AMD Ryzen 5 7640U which has 6 CPU cores and was introduced in Q3/2023.
AMD Ryzen 5 (84) Family AMD Ryzen 5 (84)
AMD Sephiroth (Steam Deck Refresh 2023) (1) CPU group AMD Ryzen 7040 (21)
4 Generation 6
Sephiroth (Zen 2) Architecture Phoenix (Zen 4)
Mobile Segment Mobile
Valve Steam Deck (AMD Custom APU 0405) Predecessor --
-- Successor AMD Ryzen 5 8640U

CPU Cores and Base Frequency

The Valve Steam Deck (2023 Refresh) is a 4 core processor with a clock frequency of 2.40 GHz (3.50 GHz). The processor can compute 8 threads at the same time. The AMD Ryzen 5 7640U clocks with 3.50 GHz (4.90 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

Valve Steam Deck (2023 Refresh) Characteristic AMD Ryzen 5 7640U
4 Cores 6
8 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.40 GHz Frequency 3.50 GHz
3.50 GHz Turbo Frequency (1 Core) 4.90 GHz
2.80 GHz Turbo Frequency (All Cores) --

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.

Valve Steam Deck (2023 Refresh) Characteristic AMD Ryzen 5 7640U
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

AMD Custom Radeon Graphics (Steam Deck) GPU AMD Radeon 760M
1.00 GHz GPU frequency 0.80 GHz
1.60 GHz GPU (Turbo) 2.60 GHz
-- GPU Generation 10
7 nm Technology 4 nm
2 Max. displays 4
8 Compute units 8
512 Shader 512
No Hardware Raytracing Yes
No Frame Generation AMD FSR
8 GB Max. GPU Memory 32 GB
12 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.

AMD Custom Radeon Graphics (Steam Deck) GPU AMD Radeon 760M
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
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 16 GB of memory in a maximum of 4 memory channels is supported by the Valve Steam Deck (2023 Refresh), while the AMD Ryzen 5 7640U supports a maximum of 256 GB of memory with a maximum memory bandwidth of 120.0 GB/s enabled.

Valve Steam Deck (2023 Refresh) Characteristic AMD Ryzen 5 7640U
LPDDR5-6400 Memory DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
16 GB Max. Memory 256 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
102.4 GB/s Max. Bandwidth 120.0 GB/s
No ECC Yes
2.00 MB L2 Cache 6.00 MB
4.00 MB L3 Cache 16.00 MB
3.0 PCIe version 4.0
8 PCIe lanes 20
7.9 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The Valve Steam Deck (2023 Refresh) has a TDP of 15 W. The TDP of the AMD Ryzen 5 7640U is 28 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Valve Steam Deck (2023 Refresh) Characteristic AMD Ryzen 5 7640U
15 W TDP (PL1 / PBP) 28 W
-- TDP (PL2) --
-- TDP up 30 W
4 W TDP down 15 W
100 °C Tjunction max. 100 °C

Technical details

The Valve Steam Deck (2023 Refresh) has 6.00 MB cache and is manufactured in 6 nm. The cache of AMD Ryzen 5 7640U is at 22.00 MB. The processor is manufactured in 4 nm.

Valve Steam Deck (2023 Refresh) Characteristic AMD Ryzen 5 7640U
6 nm Technology 4 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
FF3 Socket FP8
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
SteamOS (Arch Linux) Operating systems Windows 10, Windows 11, Linux
Q4/2023 Release date Q3/2023
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Valve Steam Deck (2023 Refresh) to help other visitors make their purchasing decisions. The average rating is 3.3 stars (3 ratings). Rate now:
Here you can rate the AMD Ryzen 5 7640U to help other visitors make their purchasing decisions. The average rating is 5.0 stars (5 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Valve Steam Deck (2023 Refresh) (59%)
AMD Ryzen 5 7640U (100%)
⌀ Multi core performance in 2 CPU benchmarks
Valve Steam Deck (2023 Refresh) (45%)
AMD Ryzen 5 7640U (100%)

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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz
975 (63%)
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 4.90 GHz
1552 (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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 2.80 GHz
4359 (41%)
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 3.50 GHz
10675 (100%)

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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz
1296 (55%)
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 4.90 GHz
2340 (100%)

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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 2.80 GHz
4510 (49%)
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 3.50 GHz
9197 (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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
AMD Custom Radeon Graphics (Steam Deck) @ 1.60 GHz
1638 (62%)
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
AMD Radeon 760M @ 2.60 GHz
2663 (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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz
57 (100%)
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 4.90 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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz
275 (100%)
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 4.90 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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz
0 (0%)
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 4.90 GHz
1869 (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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 2.80 GHz
0 (0%)
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 3.50 GHz
8853 (100%)

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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
2.40 GHz
0 (0%)
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
10,675 CB R23 MC @ 24 W
445 (100%)

Devices using this processor

Valve Steam Deck (2023 Refresh) AMD Ryzen 5 7640U
Valve Steam Deck (2023 Refresh) Unknown

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