Valve Steam Deck (2023 Refresh) vs Intel Xeon Silver 4309Y

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CPU comparison with benchmarks


Valve Steam Deck (2023 Refresh) CPU1 vs CPU2 Intel Xeon Silver 4309Y
Valve Steam Deck (2023 Refresh) Intel Xeon Silver 4309Y

CPU comparison

In this CPU comparison, we compare the Valve Steam Deck (2023 Refresh) and the Intel Xeon Silver 4309Y 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 Intel Xeon Silver 4309Y which has 8 CPU cores and was introduced in Q2/2021.
AMD Ryzen 5 (86) Family Intel Xeon Silver (32)
AMD Sephiroth (Steam Deck Refresh 2023) (1) CPU group Intel Xeon Silver 4300 (5)
4 Generation 3
Sephiroth (Zen 2) Architecture Ice Lake
Mobile Segment Desktop / Server
Valve Steam Deck (AMD Custom APU 0405) Predecessor --
-- Successor --

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 Intel Xeon Silver 4309Y clocks with 2.80 GHz (3.60 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

Valve Steam Deck (2023 Refresh) Characteristic Intel Xeon Silver 4309Y
4 Cores 8
8 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.40 GHz Frequency 2.80 GHz
3.50 GHz Turbo Frequency (1 Core) 3.60 GHz
2.80 GHz Turbo Frequency (All Cores) --

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.

Valve Steam Deck (2023 Refresh) Characteristic Intel Xeon Silver 4309Y
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 no iGPU
1.00 GHz GPU frequency --
1.60 GHz GPU (Turbo) --
-- GPU Generation --
7 nm Technology
2 Max. displays
8 Compute units --
512 Shader --
No Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory --
12 DirectX Version --

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 no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

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 Intel Xeon Silver 4309Y supports a maximum of 6144 GB of memory with a maximum memory bandwidth of 170.8 GB/s enabled.

Valve Steam Deck (2023 Refresh) Characteristic Intel Xeon Silver 4309Y
LPDDR5-6400 Memory DDR4-2666
16 GB Max. Memory 6144 GB
4 (Quad Channel) Memory channels 8 (Octa Channel)
102.4 GB/s Max. Bandwidth 170.8 GB/s
No ECC Yes
2.00 MB L2 Cache --
4.00 MB L3 Cache 12.00 MB
3.0 PCIe version 4.0
8 PCIe lanes 64
7.9 GB/s PCIe Bandwidth 126.0 GB/s

Thermal Management

The Valve Steam Deck (2023 Refresh) has a TDP of 15 W. The TDP of the Intel Xeon Silver 4309Y is 105 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Valve Steam Deck (2023 Refresh) Characteristic Intel Xeon Silver 4309Y
15 W TDP (PL1 / PBP) 105 W
-- TDP (PL2) --
-- TDP up --
4 W TDP down --
100 °C Tjunction max. --

Technical details

The Valve Steam Deck (2023 Refresh) has 6.00 MB cache and is manufactured in 6 nm. The cache of Intel Xeon Silver 4309Y is at 12.00 MB. The processor is manufactured in 10 nm.

Valve Steam Deck (2023 Refresh) Characteristic Intel Xeon Silver 4309Y
6 nm Technology 10 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 SSE4.2, AVX2, AVX-512
FF3 Socket LGA 4189
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
SteamOS (Arch Linux) Operating systems Windows 10, Linux
Q4/2023 Release date Q2/2021
-- Release price 536 $
show more data show more data


Rate these processors

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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Valve Steam Deck (2023 Refresh) (82%)
Intel Xeon Silver 4309Y (100%)
⌀ Multi core performance in 1 CPU benchmarks
Valve Steam Deck (2023 Refresh) (44%)
Intel Xeon Silver 4309Y (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 (82%)
Intel Xeon Silver 4309Y Intel Xeon Silver 4309Y
8C 16T @ 3.60 GHz
1589 (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 (44%)
Intel Xeon Silver 4309Y Intel Xeon Silver 4309Y
8C 16T @ 2.80 GHz
10210 (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%)
Intel Xeon Silver 4309Y Intel Xeon Silver 4309Y
8C 16T @ 3.60 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%)
Intel Xeon Silver 4309Y Intel Xeon Silver 4309Y
8C 16T @ 3.60 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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz
975 (100%)
Intel Xeon Silver 4309Y Intel Xeon Silver 4309Y
8C 16T @ 3.60 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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 2.80 GHz
4359 (100%)
Intel Xeon Silver 4309Y Intel Xeon Silver 4309Y
8C 16T @ 2.80 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%)
Intel Xeon Silver 4309Y Intel Xeon Silver 4309Y
8C 16T @ 3.60 GHz
1268 (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%)
Intel Xeon Silver 4309Y Intel Xeon Silver 4309Y
8C 16T @ 2.80 GHz
8194 (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 (100%)
Intel Xeon Silver 4309Y Intel Xeon Silver 4309Y
@ 0.00 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.
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 2.80 GHz
0 (0%)
Intel Xeon Silver 4309Y Intel Xeon Silver 4309Y
8C 16T @ 2.80 GHz
19238 (100%)

Devices using this processor

Valve Steam Deck (2023 Refresh) Intel Xeon Silver 4309Y
Valve Steam Deck (2023 Refresh) Unknown

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