Intel Core i7-875K vs Intel Atom C3708

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CPU comparison with benchmarks


Intel Core i7-875K CPU1 vs CPU2 Intel Atom C3708
Intel Core i7-875K Intel Atom C3708

CPU comparison

In this CPU comparison, we compare the Intel Core i7-875K and the Intel Atom C3708 and use benchmarks to check which processor is faster.

We compare the Intel Core i7-875K 4 core processor released in Q2/2010 with the Intel Atom C3708 which has 8 CPU cores and was introduced in Q3/2017.
Intel Core i7 (298) Family Intel Atom (108)
Intel Core i7 800 (6) CPU group Intel Atom C3000 (20)
1 Generation 5
Lynnfield Architecture Denverton
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-875K is a 4 core processor with a clock frequency of 2.93 GHz (3.60 GHz). The processor can compute 8 threads at the same time. The Intel Atom C3708 clocks with 1.70 GHz, has 8 CPU cores and can calculate 8 threads in parallel.

Intel Core i7-875K Characteristic Intel Atom C3708
4 Cores 8
8 Threads 8
normal Core architecture normal
Yes Hyperthreading No
Yes Overclocking ? No
2.93 GHz Frequency 1.70 GHz
3.60 GHz Turbo Frequency (1 Core) --
-- 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.

Intel Core i7-875K Characteristic Intel Atom C3708
-- 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.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- 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.

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

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i7-875K, while the Intel Atom C3708 supports a maximum of 256 GB of memory with a maximum memory bandwidth of 34.1 GB/s enabled.

Intel Core i7-875K Characteristic Intel Atom C3708
DDR3-1066 Memory DDR4-2133
16 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
17.1 GB/s Max. Bandwidth 34.1 GB/s
No ECC Yes
1.00 MB L2 Cache 16.00 MB
8.00 MB L3 Cache --
2.0 PCIe version 3.0
16 PCIe lanes 16
8.0 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The Intel Core i7-875K has a TDP of 95 W. The TDP of the Intel Atom C3708 is 17 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i7-875K Characteristic Intel Atom C3708
95 W TDP (PL1 / PBP) 17 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Intel Core i7-875K has 9.00 MB cache and is manufactured in 45 nm. The cache of Intel Atom C3708 is at 16.00 MB. The processor is manufactured in 14 nm.

Intel Core i7-875K Characteristic Intel Atom C3708
45 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2
LGA 1156 Socket BGA 1310
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2010 Release date Q3/2017
353 $ Release price 209 $
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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 Core i7-875K Intel Core i7-875K
4C 8T @ 3.60 GHz
565 (100%)
Intel Atom C3708 Intel Atom C3708
8C 8T @ 1.70 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 Core i7-875K Intel Core i7-875K
4C 8T @ 2.93 GHz
2124 (100%)
Intel Atom C3708 Intel Atom C3708
8C 8T @ 1.70 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 Core i7-875K Intel Core i7-875K
4C 8T @ 3.60 GHz
472 (100%)
Intel Atom C3708 Intel Atom C3708
8C 8T @ 1.70 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 Core i7-875K Intel Core i7-875K
4C 8T @ 2.93 GHz
1425 (100%)
Intel Atom C3708 Intel Atom C3708
8C 8T @ 1.70 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.
Intel Core i7-875K Intel Core i7-875K
4C 8T @ 2.93 GHz
3092 (100%)
Intel Atom C3708 Intel Atom C3708
8C 8T @ 1.70 GHz
0 (0%)

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 Core i7-875K Intel Core i7-875K
4C 8T @ 2.93 GHz
1447 (100%)
Intel Atom C3708 Intel Atom C3708
8C 8T @ 1.70 GHz
0 (0%)

Devices using this processor

Intel Core i7-875K Intel Atom C3708
Unknown Unknown

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