Intel Atom C3338R vs Intel Xeon E7-8857 v2

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CPU comparison with benchmarks


Intel Atom C3338R CPU1 vs CPU2 Intel Xeon E7-8857 v2
Intel Atom C3338R Intel Xeon E7-8857 v2

CPU comparison

Intel Atom C3338R or Intel Xeon E7-8857 v2 - 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 Atom C3338R has 2 cores with 2 threads and clocks with a maximum frequency of 2.20 GHz. Up to 128 GB of memory is supported in 1 memory channels. The Intel Atom C3338R was released in Q2/2020.

The Intel Xeon E7-8857 v2 has 12 cores with 12 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 1536 GB of memory in 4 memory channels. The Intel Xeon E7-8857 v2 was released in Q1/2014.
Intel Atom (108) Family Intel Xeon E7 (20)
Intel Atom C3000 (20) CPU group Intel Xeon E7 v2 (20)
5 Generation 4
Denverton Architecture Ivy Bridge EX
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom C3338R is a 2 core processor with a clock frequency of 1.80 GHz (2.20 GHz). The Intel Xeon E7-8857 v2 has 12 CPU cores with a clock frequency of 3.00 GHz (3.60 GHz).
Intel Atom C3338R Characteristic Intel Xeon E7-8857 v2
2 Cores 12
2 Threads 12
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
1.80 GHz Frequency 3.00 GHz
2.20 GHz Turbo Frequency (1 Core) 3.60 GHz
2.00 GHz Turbo Frequency (All Cores) 3.60 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.
Intel Atom C3338R Characteristic Intel Xeon E7-8857 v2
-- AI hardware --
-- AI specifications --

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.
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

The Intel Atom C3338R supports a maximum of 128 GB of memory in 1 memory channels. The Intel Xeon E7-8857 v2 can connect up to 1536 GB of memory in 4 memory channels.
Intel Atom C3338R Characteristic Intel Xeon E7-8857 v2
DDR4-1866 Memory DDR3-1600
128 GB Max. Memory 1536 GB
1 (Single Channel) Memory channels 4 (Quad Channel)
29.9 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC Yes
4.00 MB L2 Cache --
-- L3 Cache 30.00 MB
3.0 PCIe version --
10 PCIe lanes --
9.9 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom C3338R has a TDP of 10.5 W, that of the Intel Xeon E7-8857 v2 is 130 W.
Intel Atom C3338R Characteristic Intel Xeon E7-8857 v2
10.5 W TDP (PL1 / PBP) 130 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Atom C3338R has a 4.00 MB cache, while the Intel Xeon E7-8857 v2 cache has a total of 30.00 MB.
Intel Atom C3338R Characteristic Intel Xeon E7-8857 v2
14 nm Technology 22 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, AVX
BGA 1310 Socket LGA 2011
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2020 Release date Q1/2014
37 $ Release price 2800 $
show more data show more data


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Devices using this processor
Intel Atom C3338R Intel Xeon E7-8857 v2
Unknown Unknown

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