Intel Core i7 6950X vs Intel Core i7 8557U
CPU · Specs Compare
General Parameters
Release Date
May 2016
Jul 2019
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Broadwell E
Coffee Lake
Processor Number
i7-6950X
i7-8557U
Integrated Graphics
N/A
Iris Plus Graphics 645
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-2011-3
BGA-1528
Power Consumption
140 W
15 W
Peak Operating Temperature
—
100 °C
CPU Performance
Performance Cores
10
4
Performance Core Threads
20
8
Performance Core Base Frequency
3.0 GHz
1.7 GHz
Performance Core Turbo Frequency
3.5 GHz
4.5 GHz
Total Core Count
10
4
Total Thread Count
20
8
Bus Frequency
100 MHz
—
Multiplier
30x
17x
L1 Cache
32 K per core
32 K per core
L2 Cache
256 K per core
256 K per core
L3 Cache
25 MB shared
8 MB shared
Unlocked Multiplier
No
No
Memory Parameters
Memory Types
DDR4-2133
DDR4-2400, LPDDR3-2133
Max Memory Size
128 GB
32 GB
Max Memory Channels
4
2
Max Memory Bandwidth
76.8 GB/s
37.5 GB/s
ECC Memory Support
No
No
Miscellaneous
PCIe Version
3.0
3.0
PCIe Lanes
40
16
Extended Instruction Set
—
SSE4.1, SSE4.2, AVX-2
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
300 MHz
GPU Max Dynamic Frequency
—
1150 MHz
Shader Units
—
384
Texture Units
—
48
Raster Operation Units
—
6
Execution Units
—
48
Power Consumption
—
15 W
Max Resolution
—
4096x2304 - 60 Hz
Benchmark
Cinebench R23
1,069
—
Cinebench R23
9,743
—
Geekbench 6
1,020
—
Geekbench 6
6,726
—
Passmark CPU
2,330
—
Passmark CPU
17,362
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.