AMD Athlon Silver 7120C vs Intel Xeon w5-3435X

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CPU comparison with benchmarks


AMD Athlon Silver 7120C CPU1 vs CPU2 Intel Xeon w5-3435X
AMD Athlon Silver 7120C Intel Xeon w5-3435X

CPU comparison

AMD Athlon Silver 7120C or Intel Xeon w5-3435X - 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 Athlon Silver 7120C has 2 cores with 2 threads and clocks with a maximum frequency of 3.50 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon Silver 7120C was released in Q3/2022.

The Intel Xeon w5-3435X has 16 cores with 32 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The Intel Xeon w5-3435X was released in Q1/2023.
AMD Athlon (29) Family Intel Xeon W (83)
AMD Athlon Silver 7000 (2) CPU group Intel Xeon W-3400 (8)
5 Generation 12
Mendocino (Zen2) Architecture Sapphire Rapids-WS
Mobile Segment Desktop / Server
-- Predecessor Intel Xeon W-3335
-- Successor --

CPU Cores and Base Frequency

The AMD Athlon Silver 7120C is a 2 core processor with a clock frequency of 2.40 GHz (3.50 GHz). The Intel Xeon w5-3435X has 16 CPU cores with a clock frequency of 3.10 GHz (4.70 GHz).

AMD Athlon Silver 7120C Characteristic Intel Xeon w5-3435X
2 Cores 16
2 Threads 32
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? Yes
2.40 GHz Frequency 3.10 GHz
3.50 GHz Turbo Frequency (1 Core) 4.70 GHz
-- Turbo Frequency (All Cores) 3.70 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.

AMD Athlon Silver 7120C Characteristic Intel Xeon w5-3435X
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

AMD Radeon 610M GPU no iGPU
0.40 GHz GPU frequency --
1.90 GHz GPU (Turbo) --
9 GPU Generation --
6 nm Technology
3 Max. displays
2 Compute units --
128 Shader --
Yes 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 Radeon 610M 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
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The AMD Athlon Silver 7120C supports a maximum of 16 GB of memory in 2 memory channels. The Intel Xeon w5-3435X can connect up to 4096 GB of memory in 8 memory channels.

AMD Athlon Silver 7120C Characteristic Intel Xeon w5-3435X
LPDDR5-5500 Memory DDR5-4800
16 GB Max. Memory 4096 GB
2 (Dual Channel) Memory channels 8 (Octa Channel)
44.0 GB/s Max. Bandwidth 307.2 GB/s
No ECC Yes
1.00 MB L2 Cache --
2.00 MB L3 Cache 45.00 MB
3.0 PCIe version 5.0
4 PCIe lanes 112
3.9 GB/s PCIe Bandwidth 441.1 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Athlon Silver 7120C has a TDP of 15 W, that of the Intel Xeon w5-3435X is 270 W.

AMD Athlon Silver 7120C Characteristic Intel Xeon w5-3435X
15 W TDP (PL1 / PBP) 270 W
-- TDP (PL2) --
-- TDP up 324 W
-- TDP down --
95 °C Tjunction max. 98 °C

Technical details

The AMD Athlon Silver 7120C has a 3.00 MB cache, while the Intel Xeon w5-3435X cache has a total of 45.00 MB.

AMD Athlon Silver 7120C Characteristic Intel Xeon w5-3435X
6 nm Technology 10 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512, AMX
FT6 Socket LGA 4677
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d, VT-rp, vPro Enterprise
Yes AES-NI Yes
Windows 11, Linux Operating systems Windows 11, Windows Server, Linux
Q3/2022 Release date Q1/2023
-- Release price 1589 $
show more data show more data


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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.
AMD Athlon Silver 7120C AMD Athlon Silver 7120C
AMD Radeon 610M @ 1.90 GHz
383 (100%)
Intel Xeon w5-3435X Intel Xeon w5-3435X
@ 0.00 GHz
0 (0%)

Devices using this processor

AMD Athlon Silver 7120C Intel Xeon w5-3435X
Unknown Unknown

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