Intel Core i5-8257U vs. Intel Core i5-8279U

CPU comparison with benchmarks


Intel Core i5-8257U CPU1 vs CPU2 Intel Core i5-8279U
Intel Core i5-8257U Intel Core i5-8279U
Intel Core i5 Family Intel Core i5
Intel Core i 8000U CPU group Intel Core i 8000U
8 Generation 8
Coffee Lake U Architecture Coffee Lake U
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base FrequencyCPU Cores and Base Frequency

4 Cores 4
8 Threads 8
1.40 GHz Frequency 2.40 GHz
3.90 GHz Turbo (1 Core) 4.10 GHz
3.20 GHz Turbo (All Cores) 3.60 GHz
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No

Internal GraphicsInternal Graphics

Intel Iris Plus Graphics 645 GPU Intel Iris Plus Graphics 655
0.30 GHz GPU frequency 0.30 GHz
1.05 GHz GPU (Turbo) 1.15 GHz
9.5 GPU Generation 9.5
14 nm Technology 14 nm
3 Max. displays 3
48 Execution units 48
384 Shader 384
32 GB Max. GPU Memory 32 GB
12 DirectX Version 12

Hardware codec supportHardware codec support

Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIeMemory & PCIe

DDR4-2400 SO-DIMM, LPDDR3-2133 Memory DDR4-2400 SO-DIMM, LPDDR3-2133
Max. Memory
2 Memory channels 2
No ECC No
L2 Cache
6.00 MB L3 Cache 6.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 16

Thermal ManagementThermal Management

15 W TDP (PL1) 28 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical detailsTechnical details

14 nm Technology 14 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
BGA 1528 Socket BGA 1528
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Q3/2019 Release date Q2/2019
show more data show more data


Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 i5-8257U Intel Core i5-8257U
4x 1.40 GHz (3.90 GHz) HT
391 (97%)
Amazon
Intel Core i5-8279U Intel Core i5-8279U
4x 2.40 GHz (4.10 GHz) HT
402 (100%)
Amazon
Show all Cinebench R20 (Single-Core) results



Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 i5-8257U Intel Core i5-8257U
4x 1.40 GHz (3.90 GHz) HT
1628 (96%)
Amazon
Intel Core i5-8279U Intel Core i5-8279U
4x 2.40 GHz (4.10 GHz) HT
1702 (100%)
Amazon
Show all Cinebench R20 (Multi-Core) results



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 i5-8257U Intel Core i5-8257U
4x 1.40 GHz (3.90 GHz) HT
159 (93%)
Amazon
Intel Core i5-8279U Intel Core i5-8279U
4x 2.40 GHz (4.10 GHz) HT
171 (100%)
Amazon
Show all Cinebench R15 (Single-Core) results



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 i5-8257U Intel Core i5-8257U
4x 1.40 GHz (3.90 GHz) HT
667 (85%)
Amazon
Intel Core i5-8279U Intel Core i5-8279U
4x 2.40 GHz (4.10 GHz) HT
782 (100%)
Amazon
Show all Cinebench R15 (Multi-Core) results



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 i5-8257U Intel Core i5-8257U
4x 1.40 GHz (3.90 GHz) HT
966 (93%)
Amazon
Intel Core i5-8279U Intel Core i5-8279U
4x 2.40 GHz (4.10 GHz) HT
1035 (100%)
Amazon
Show all Geekbench 5, 64bit (Single-Core) results



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 i5-8257U Intel Core i5-8257U
4x 1.40 GHz (3.90 GHz) HT
3770 (95%)
Amazon
Intel Core i5-8279U Intel Core i5-8279U
4x 2.40 GHz (4.10 GHz) HT
3953 (100%)
Amazon
Show all Geekbench 5, 64bit (Multi-Core) results



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 i5-8257U Intel Core i5-8257U
Intel Iris Plus Graphics 645 @ 1.05 GHz
806 (91%)
Amazon
Intel Core i5-8279U Intel Core i5-8279U
Intel Iris Plus Graphics 655 @ 1.15 GHz
883 (100%)
Amazon
Show all iGPU - FP32 Performance (Single-precision GFLOPS) results



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 i5-8257U Intel Core i5-8257U
4x 1.40 GHz (3.90 GHz) HT
10739 (97%)
Amazon
Intel Core i5-8279U Intel Core i5-8279U
4x 2.40 GHz (4.10 GHz) HT
11126 (100%)
Amazon
Show all Estimated results for PassMark CPU Mark results



Devices using this processorDevices using this processor

Intel Core i5-8257U Intel Core i5-8279U
Apple MacBook Pro 13 (2019) Apple MacBook Pro 13 (2019)

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