Intel Xeon E3-1270 vs Intel Atom Z3735E

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CPU comparison with benchmarks


Intel Xeon E3-1270 CPU1 vs CPU2 Intel Atom Z3735E
Intel Xeon E3-1270 Intel Atom Z3735E

CPU comparison

Intel Xeon E3-1270 or Intel Atom Z3735E - 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 E3-1270 has 4 cores with 8 threads and clocks with a maximum frequency of 3.80 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Xeon E3-1270 was released in Q2/2011.

The Intel Atom Z3735E has 4 cores with 4 threads and clocks with a maximum frequency of 1.83 GHz. The CPU supports up to 1 GB of memory in 1 memory channels. The Intel Atom Z3735E was released in Q1/2014.
Intel Xeon E3 (43) Family Intel Atom (108)
Intel Xeon E3 (1) CPU group Intel Atom Z3700 (16)
2 Generation 4
Sandy-Bridge Architecture Bay Trail
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon E3-1270 is a 4 core processor with a clock frequency of 3.40 GHz (3.80 GHz). The Intel Atom Z3735E has 4 CPU cores with a clock frequency of 1.33 GHz (1.83 GHz).

Intel Xeon E3-1270 Characteristic Intel Atom Z3735E
4 Cores 4
8 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
3.40 GHz Frequency 1.33 GHz
3.80 GHz Turbo Frequency (1 Core) 1.83 GHz
3.60 GHz Turbo Frequency (All Cores) 1.83 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 Xeon E3-1270 Characteristic Intel Atom Z3735E
-- 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.

no iGPU GPU Intel HD Graphics (Bay Trail GT1)
GPU frequency 0.31 GHz
-- GPU (Turbo) 0.65 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

The Intel Xeon E3-1270 supports a maximum of 32 GB of memory in 2 memory channels. The Intel Atom Z3735E can connect up to 1 GB of memory in 1 memory channels.

Intel Xeon E3-1270 Characteristic Intel Atom Z3735E
DDR3-1333 Memory DDR3L-1333
32 GB Max. Memory 1 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
21.3 GB/s Max. Bandwidth 10.6 GB/s
Yes ECC No
-- L2 Cache --
8.00 MB L3 Cache 2.00 MB
2.0 PCIe version --
20 PCIe lanes --
10.0 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Xeon E3-1270 has a TDP of 80 W, that of the Intel Atom Z3735E is 4 W.

Intel Xeon E3-1270 Characteristic Intel Atom Z3735E
80 W TDP (PL1 / PBP) 4 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon E3-1270 has a 8.00 MB cache, while the Intel Atom Z3735E cache has a total of 2.00 MB.

Intel Xeon E3-1270 Characteristic Intel Atom Z3735E
32 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 1155 Socket BGA 138
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q2/2011 Release date Q1/2014
339 $ 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 E3-1270 (0%)
Intel Atom Z3735E (0%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Xeon E3-1270 (100%)
Intel Atom Z3735E (10%)

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 E3-1270 Intel Xeon E3-1270
4C 8T @ 3.60 GHz
5388 (100%)
Intel Atom Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
557 (10%)

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 E3-1270 Intel Xeon E3-1270
4C 8T @ 3.80 GHz
0 (0%)
Intel Atom Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
172 (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 E3-1270 Intel Xeon E3-1270
4C 8T @ 3.60 GHz
0 (0%)
Intel Atom Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
200 (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 E3-1270 Intel Xeon E3-1270
@ 0.00 GHz
0 (0%)
Intel Atom Z3735E Intel Atom Z3735E
Intel HD Graphics (Bay Trail GT1) @ 0.65 GHz
41 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Xeon E3-1270 Intel Xeon E3-1270
4C 8T @ 3.80 GHz
127 (100%)
Intel Atom Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Xeon E3-1270 Intel Xeon E3-1270
4C 8T @ 3.60 GHz
603 (100%)
Intel Atom Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
0 (0%)

Devices using this processor

Intel Xeon E3-1270 Intel Atom Z3735E
Unknown Unknown

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