Intel Core i7-7660U vs. Intel Xeon E3-1275 v3

CPU comparison with benchmarks


Intel Core i7-7660U CPU1 vs CPU2 Intel Xeon E3-1275 v3
Intel Core i7-7660U Intel Xeon E3-1275 v3
2.50 GHz Frequency 3.50 GHz
4.00 GHz Turbo (1 Core) 3.90 GHz
3.80 GHz Turbo (All Cores) 3.90 GHz
2 Cores 4
Yes Hyperthreading Yes
No Overclocking ? No
normal Core architecture normal
Intel Iris Plus Graphics 640 GPU Intel HD Graphics P4600
0.30 GHz GPU frequency 0.35 GHz
1.05 GHz GPU (Turbo) 1.25 GHz
9.5 GPU Generation 7.5
14 nm Technology 22 nm
12 DirectX Version 11.1
3 Max. displays 3
48 Execution units 20
384 Shader 160
32 GB Max. GPU Memory 2 GB
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec VP8 No
Decode / Encode Codec VP9 No
No Codec AV1 No
Decode Codec VC-1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode / Encode Codec JPEG Decode
Kaby Lake U Architecture Haswell
DDR4-2133 SO-DIMM Memory DDR3-1600
2 Memory channels 2
Max. Memory
No ECC Yes
L2 Cache
4.00 MB L3 Cache 8.00 MB
3.0 PCIe version 3.0
12 PCIe lanes 16
14 nm Technology 22 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
BGA 1356 Socket LGA 1150
15W TDP (PL1) 84W
Yes AES-NI Yes
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Q4/2016 Release date Q2/2013
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Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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 Core i7-7660U Intel Core i7-7660U
2x 2.50 GHz (4.00 GHz) HT
709 (100%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
4x 3.50 GHz (3.90 GHz) HT
0 (0%)
Amazon



Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 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 Core i7-7660U Intel Core i7-7660U
2x 2.50 GHz (4.00 GHz) HT
1759 (100%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
4x 3.50 GHz (3.90 GHz) HT
0 (0%)
Amazon



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 Core i7-7660U Intel Core i7-7660U
2x 2.50 GHz (4.00 GHz) HT
170 (100%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
4x 3.50 GHz (3.90 GHz) HT
153 (90%)
Amazon



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 Core i7-7660U Intel Core i7-7660U
2x 2.50 GHz (4.00 GHz) HT
405 (55%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
4x 3.50 GHz (3.90 GHz) HT
742 (100%)
Amazon



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 i7-7660U Intel Core i7-7660U
2x 2.50 GHz (4.00 GHz) HT
906 (100%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
4x 3.50 GHz (3.90 GHz) HT
906 (100%)
Amazon



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 i7-7660U Intel Core i7-7660U
2x 2.50 GHz (4.00 GHz) HT
2088 (61%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
4x 3.50 GHz (3.90 GHz) HT
3416 (100%)
Amazon



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 Core i7-7660U Intel Core i7-7660U
Intel Iris Plus Graphics 640 @ 1.05 GHz
806 (100%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
Intel HD Graphics P4600 @ 1.25 GHz
400 (50%)
Amazon



Geekbench 3, 64bit (Single-Core)

Geekbench 3 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 i7-7660U Intel Core i7-7660U
2x 2.50 GHz (4.00 GHz) HT
4240 (100%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
4x 3.50 GHz (3.90 GHz) HT
3590 (85%)
Amazon



Geekbench 3, 64bit (Multi-Core)

Geekbench 3 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 i7-7660U Intel Core i7-7660U
2x 2.50 GHz (4.00 GHz) HT
8693 (63%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
4x 3.50 GHz (3.90 GHz) HT
13820 (100%)
Amazon



Cinebench R11.5, 64bit (Single-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i7-7660U Intel Core i7-7660U
2x 2.50 GHz (4.00 GHz) HT
1.92 (100%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
4x 3.50 GHz (3.90 GHz) HT
1.75 (91%)
Amazon



Cinebench R11.5, 64bit (Multi-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i7-7660U Intel Core i7-7660U
2x 2.50 GHz (4.00 GHz) HT
4.44 (56%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
4x 3.50 GHz (3.90 GHz) HT
7.99 (100%)
Amazon



Cinebench R11.5, 64bit (iGPU, OpenGL)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The iGPU test uses the CPU internal graphic unit to execute OpenGL commands.

Intel Core i7-7660U Intel Core i7-7660U
2x 2.50 GHz (4.00 GHz) HT
39.6 (100%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
4x 3.50 GHz (3.90 GHz) HT
0 (0%)
Amazon



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 i7-7660U Intel Core i7-7660U
2x 2.50 GHz (4.00 GHz) HT
5613 (55%)
Amazon
Intel Xeon E3-1275 v3 Intel Xeon E3-1275 v3
4x 3.50 GHz (3.90 GHz) HT
10178 (100%)
Amazon



Devices using this processorDevices using this processor

Intel Core i7-7660U Intel Xeon E3-1275 v3
Apple MacBook Pro 13 (2017) Unknown

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