Intel Xeon Silver 4208 vs AMD C-70

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CPU comparison with benchmarks


Intel Xeon Silver 4208 CPU1 vs CPU2 AMD C-70
Intel Xeon Silver 4208 AMD C-70

CPU comparison

Intel Xeon Silver 4208 or AMD C-70 - 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 Silver 4208 has 8 cores with 16 threads and clocks with a maximum frequency of 3.20 GHz. Up to 1024 GB of memory is supported in 6 memory channels. The Intel Xeon Silver 4208 was released in Q2/2019.

The AMD C-70 has 2 cores with 2 threads and clocks with a maximum frequency of 1.33 GHz. The CPU supports up to GB of memory in 1 memory channels. The AMD C-70 was released in Q3/2012.
Intel Xeon Silver (32) Family AMD C (6)
Intel Xeon Silver 4200 (11) CPU group AMD C (6)
2 Generation 1
Cascade Lake Architecture Ontario (Bobcat)
Desktop / Server Segment Mobile
Intel Xeon Silver 4108 Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Silver 4208 has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Xeon Silver 4208 is 2.10 GHz (3.20 GHz) while the AMD C-70 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD C-70 is at 1.00 GHz (1.33 GHz).

Intel Xeon Silver 4208 Characteristic AMD C-70
8 Cores 2
16 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
2.10 GHz Frequency 1.00 GHz
3.20 GHz Turbo Frequency (1 Core) 1.33 GHz
2.30 GHz Turbo Frequency (All Cores) 1.33 GHz

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.

Intel Xeon Silver 4208 Characteristic AMD C-70
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Xeon Silver 4208 or AMD C-70 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 HD 6290
GPU frequency 0.28 GHz
-- GPU (Turbo) 0.40 GHz
-- GPU Generation 3
Technology 40 nm
Max. displays 2
-- Compute units 1
-- Shader 80
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 1 GB
-- DirectX Version 11

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 HD 6290
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Xeon Silver 4208 can use up to 1024 GB of memory in 6 memory channels. The maximum memory bandwidth is 115.2 GB/s. The AMD C-70 supports up to GB of memory in 1 memory channels and achieves a memory bandwidth of up to 8.5 GB/s.

Intel Xeon Silver 4208 Characteristic AMD C-70
DDR4-2400 Memory DDR3-1066
1024 GB Max. Memory
6 (Hexa Channel) Memory channels 1 (Single Channel)
115.2 GB/s Max. Bandwidth 8.5 GB/s
Yes ECC No
-- L2 Cache --
11.00 MB L3 Cache 1.00 MB
3.0 PCIe version --
48 PCIe lanes --
47.3 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon Silver 4208 is 85 W, while the AMD C-70 has a TDP of 9 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Xeon Silver 4208 Characteristic AMD C-70
85 W TDP (PL1 / PBP) 9 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon Silver 4208 is manufactured in 14 nm and has 11.00 MB cache. The AMD C-70 is manufactured in 40 nm and has a 1.00 MB cache.

Intel Xeon Silver 4208 Characteristic AMD C-70
14 nm Technology 40 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE3, SSE4a
LGA 3647 Socket BGA 413
VT-x, VT-x EPT, VT-d Virtualization AMD-V
Yes AES-NI No
Windows 10, Linux Operating systems
Q2/2019 Release date Q3/2012
422 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
Intel Xeon Silver 4208 (0%)
AMD C-70 (0%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Xeon Silver 4208 (100%)
AMD C-70 (5%)

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.
Intel Xeon Silver 4208 Intel Xeon Silver 4208
8C 16T @ 2.30 GHz
11134 (100%)
AMD C-70 AMD C-70
2C 2T @ 1.33 GHz
598 (5%)

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 Silver 4208 Intel Xeon Silver 4208
8C 16T @ 3.20 GHz
881 (100%)
AMD C-70 AMD C-70
2C 2T @ 1.33 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.
Intel Xeon Silver 4208 Intel Xeon Silver 4208
8C 16T @ 2.30 GHz
5639 (100%)
AMD C-70 AMD C-70
2C 2T @ 1.33 GHz
0 (0%)

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.
Intel Xeon Silver 4208 Intel Xeon Silver 4208
8C 16T @ 3.20 GHz
1189 (100%)
AMD C-70 AMD C-70
2C 2T @ 1.33 GHz
0 (0%)

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.
Intel Xeon Silver 4208 Intel Xeon Silver 4208
8C 16T @ 2.30 GHz
5483 (100%)
AMD C-70 AMD C-70
2C 2T @ 1.33 GHz
0 (0%)

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 Silver 4208 Intel Xeon Silver 4208
@ 0.00 GHz
0 (0%)
AMD C-70 AMD C-70
AMD Radeon HD 6290 @ 0.40 GHz
64 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Xeon Silver 4208 Intel Xeon Silver 4208
8C 16T @ 2.10 GHz
0 (0%)
AMD C-70 AMD C-70
2C 2T @ 1.00 GHz
73 (100%)

Devices using this processor

Intel Xeon Silver 4208 AMD C-70
Unknown Unknown

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