Intel Xeon E7-2870 v2 vs Intel Atom Z3740D

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CPU comparison with benchmarks


Intel Xeon E7-2870 v2 CPU1 vs CPU2 Intel Atom Z3740D
Intel Xeon E7-2870 v2 Intel Atom Z3740D

CPU comparison

In this CPU comparison, we compare the Intel Xeon E7-2870 v2 and the Intel Atom Z3740D and use benchmarks to check which processor is faster.

We compare the Intel Xeon E7-2870 v2 15 core processor released in Q1/2014 with the Intel Atom Z3740D which has 4 CPU cores and was introduced in Q3/2013.
Intel Xeon E7 (20) Family Intel Atom (108)
Intel Xeon E7 v2 (20) CPU group Intel Atom Z3700 (16)
4 Generation 4
Ivy Bridge EX Architecture Bay Trail
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon E7-2870 v2 is a 15 core processor with a clock frequency of 2.30 GHz (2.90 GHz). The processor can compute 30 threads at the same time. The Intel Atom Z3740D clocks with 1.33 GHz (1.83 GHz), has 4 CPU cores and can calculate 4 threads in parallel.

Intel Xeon E7-2870 v2 Characteristic Intel Atom Z3740D
15 Cores 4
30 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.30 GHz Frequency 1.33 GHz
2.90 GHz Turbo Frequency (1 Core) 1.83 GHz
2.90 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.

Intel Xeon E7-2870 v2 Characteristic Intel Atom Z3740D
-- 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 Intel HD Graphics (Bay Trail GT1)
GPU frequency 0.31 GHz
-- GPU (Turbo) 0.69 GHz
-- GPU Generation 7
Technology 22 nm
Max. displays 2
-- Compute units 4
-- Shader 32
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11.2

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 Intel HD Graphics (Bay Trail GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode

Memory & PCIe

Up to 1536 GB of memory in a maximum of 4 memory channels is supported by the Intel Xeon E7-2870 v2, while the Intel Atom Z3740D supports a maximum of 2 GB of memory with a maximum memory bandwidth of 10.6 GB/s enabled.

Intel Xeon E7-2870 v2 Characteristic Intel Atom Z3740D
DDR3-1600 Memory DDR3L-1333
1536 GB Max. Memory 2 GB
4 (Quad Channel) Memory channels 1 (Single Channel)
51.2 GB/s Max. Bandwidth 10.6 GB/s
Yes ECC No
-- L2 Cache --
30.00 MB L3 Cache 2.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The Intel Xeon E7-2870 v2 has a TDP of 130 W. The TDP of the Intel Atom Z3740D is 4 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Xeon E7-2870 v2 Characteristic Intel Atom Z3740D
130 W TDP (PL1 / PBP) 4 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 90 °C

Technical details

The Intel Xeon E7-2870 v2 has 30.00 MB cache and is manufactured in 22 nm. The cache of Intel Atom Z3740D is at 2.00 MB. The processor is manufactured in 22 nm.

Intel Xeon E7-2870 v2 Characteristic Intel Atom Z3740D
22 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2
LGA 2011 Socket BGA 592
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q1/2014 Release date Q3/2013
3100 $ Release price --
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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 Xeon E7-2870 v2 Intel Xeon E7-2870 v2
15C 30T @ 2.90 GHz
0 (0%)
Intel Atom Z3740D Intel Atom Z3740D
4C 4T @ 1.83 GHz
184 (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.
Intel Xeon E7-2870 v2 Intel Xeon E7-2870 v2
15C 30T @ 2.90 GHz
0 (0%)
Intel Atom Z3740D Intel Atom Z3740D
4C 4T @ 1.33 GHz
633 (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.
Intel Xeon E7-2870 v2 Intel Xeon E7-2870 v2
@ 0.00 GHz
0 (0%)
Intel Atom Z3740D Intel Atom Z3740D
Intel HD Graphics (Bay Trail GT1) @ 0.69 GHz
44 (100%)

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 E7-2870 v2 Intel Xeon E7-2870 v2
15C 30T @ 2.90 GHz
0 (0%)
Intel Atom Z3740D Intel Atom Z3740D
4C 4T @ 1.33 GHz
614 (100%)

Devices using this processor

Intel Xeon E7-2870 v2 Intel Atom Z3740D
Unknown Unknown

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