Intel Core i7-7700K vs Intel Core i5-2550K

Head-to-head processor comparison

Aggregated Scores

Combined benchmark scores for both processors


Overall Score

Out of 2,060 results in the database

5,815

Rank #317

vs
4,937

Rank #918

5,815
4,937

Core i7-7700K wins by 15.1% (Rank #317 vs #918)

Singlecore Score

Out of 2,060 results in the database

6,165

Rank #212

vs
5,094

Rank #883

6,165
5,094

Core i7-7700K wins by 17.4% (Rank #212 vs #883)

Multicore Score

Out of 2,060 results in the database

5,291

Rank #473

vs
4,702

Rank #959

5,291
4,702

Core i7-7700K wins by 11.1% (Rank #473 vs #959)

Number Crunching

Out of 1,771 results in the database

4,747

Rank #584

vs
4,608

Rank #945

4,747
4,608

Core i7-7700K wins by 2.9% (Rank #584 vs #945)

Data Processing

Out of 1,771 results in the database

4,779

Rank #573

vs
4,586

Rank #943

4,779
4,586

Core i7-7700K wins by 4% (Rank #573 vs #943)

Physics & Compute

Out of 1,771 results in the database

4,822

Rank #543

vs
4,608

Rank #943

4,822
4,608

Core i7-7700K wins by 4.4% (Rank #543 vs #943)


Specifications

Side-by-side comparison of key specifications


Specification Core i7-7700K Core i5-2550K Diff
Cores
4
4
0%
Threads
8
4
+50%
Base Frequency
4,200 MHz
3,400 MHz
+19%
Turbo Frequency (1 core)
4,500 MHz
--
Turbo Frequency (2 cores)
4,400 MHz
--
Turbo Frequency (3 cores)
4,400 MHz
--
Turbo Frequency (4 cores)
4,400 MHz
--
Clock Multiplier
42x
--
L1 Cache
256 KB
--
L2 Cache
1 MiB
--
L3 Cache
8 MiB
--
Memory Channels
2
2
0%
Maximum Memory
64 GB
0 GB
+100%
Max Bandwidth
36 GB/s
21 GB/s
+41.3%
PCIe Lanes --
16
Max CPUs
1
1
0%
TDP (lower is better)
91 W
95 W
4.2% less
Process (lower is better)
14 nm
32 nm
56.3% less

General Information

Specification Core i7-7700K Core i5-2550K
Designer Intel Intel
Family Core --
Series i7-7700 --
Model Number i7-7700K i5-2550K
Microarchitecture Kaby Lake --
Core Name Kaby Lake S --
Core Family 6 --
Core Model 158 --
Socket LGA-1151 LGA1155
Package FCLGA-1151 --
Chipset Sunrise Point and Union Point --
Memory Type DDR3L-1600 and DDR4-2400 DDR3 1066/1333
ECC Support No No
PCIe Revision -- 2.0
PCIe Configuration -- Up to 1x16, 2x8, 1x8+2x4
Market Segment Desktop --
Release Price $350.00 --
Locked Multiplier No --

Designer

Core i7-7700K
Intel
Core i5-2550K
Intel

Family

Core i7-7700K
Core
Core i5-2550K
--

Series

Core i7-7700K
i7-7700
Core i5-2550K
--

Model Number

Core i7-7700K
i7-7700K
Core i5-2550K
i5-2550K

Microarchitecture

Core i7-7700K
Kaby Lake
Core i5-2550K
--

Core Name

Core i7-7700K
Kaby Lake S
Core i5-2550K
--

Core Family

Core i7-7700K
6
Core i5-2550K
--

Core Model

Core i7-7700K
158
Core i5-2550K
--

Socket

Core i7-7700K
LGA-1151
Core i5-2550K
LGA1155

Package

Core i7-7700K
FCLGA-1151
Core i5-2550K
--

Chipset

Core i7-7700K
Sunrise Point and Union Point
Core i5-2550K
--

Memory Type

Core i7-7700K
DDR3L-1600 and DDR4-2400
Core i5-2550K
DDR3 1066/1333

ECC Support

Core i7-7700K
No
Core i5-2550K
No

PCIe Revision

Core i7-7700K
--
Core i5-2550K
2.0

PCIe Configuration

Core i7-7700K
--
Core i5-2550K
Up to 1x16, 2x8, 1x8+2x4

Market Segment

Core i7-7700K
Desktop
Core i5-2550K
--

Release Price

Core i7-7700K
$350.00
Core i5-2550K
--

Locked Multiplier

Core i7-7700K
No
Core i5-2550K
--

Physical Specifications

Manufacturing process and die characteristics


Specification Core i7-7700K Core i5-2550K
Process 14 nm 32 nm
Manufacturer Intel --
Technology CMOS --
Word Size 64-bit 64-bit
ISA x86-64 (x86) --

Process

Core i7-7700K
14 nm
Core i5-2550K
32 nm

Manufacturer

Core i7-7700K
Intel
Core i5-2550K
--

Technology

Core i7-7700K
CMOS
Core i5-2550K
--

Word Size

Core i7-7700K
64-bit
Core i5-2550K
64-bit

ISA

Core i7-7700K
x86-64 (x86)
Core i5-2550K
--

Integrated Graphics

Integrated GPU specifications comparison


Specification Core i7-7700K Core i5-2550K
GPU HD Graphics 630 HD Graphics 4600
GPU Designer Intel Intel
GPU Max Frequency 1150 MHz 1150 MHz
Execution Units 24 --

GPU

Core i7-7700K
HD Graphics 630
Core i5-2550K
HD Graphics 4600

GPU Designer

Core i7-7700K
Intel
Core i5-2550K
Intel

GPU Max Frequency

Core i7-7700K
1150 MHz
Core i5-2550K
1150 MHz

Execution Units

Core i7-7700K
24
Core i5-2550K
--

CPU Extensions

Supported instruction set extensions comparison


Extension Core i7-7700K Core i5-2550K
ABM
ADX
AES
AVX
AVX2
BMI1
BMI2
CLMUL
EIST
EMMX
EPT
F16C
FMA
FMA3
FPU
Flex Memory
HT
IPT
MMX
MPX
NX
Protected
RdRand
Real
SGX
SIPP
SMEP
SMM
SSE
SSE2
SSE3
SSE4.1
SSE4.2
SSSE3
Secure Key
TBT 2.0
TSX
TXT
VT-d
VT-x
vPro
x86-16
x86-32
x86-64