CPU Comparison

i

Intel

INTEL

Intel Core i7-8700K

CORE STATE Coffee Lake

CORE SPECS 6 Cores / 12 Threads

CLOCK SPEED 3.7 Base / 4.7 GHz Turbo

CACHE 12 MB (shared)

MAX TDP 95W

ARCHITECTURE Coffee Lake

nm

PROCESS 14 nm

LAUNCH DATE 2017

VS

i

Intel

INTEL

Core Ultra 7 255HX

CORE STATE Arrow Lake-HX

CORE SPECS 20 Cores / 20 Threads

CLOCK SPEED 2.4 Base / 5.2 GHz Turbo

CACHE 30 MB (shared)

MAX TDP 55W

ARCHITECTURE Arrow Lake

nm

PROCESS 3 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,163

4,350

cinebench_cinebench_r15_singlecore

164

614

cinebench_cinebench_r20_multicore

4,846

18,128

cinebench_cinebench_r20_singlecore

684

2,559

cinebench_cinebench_r23_multicore

11,539

43,162

cinebench_cinebench_r23_singlecore

1,629

6,093

geekbench_multicore

6,535

N/A

geekbench_singlecore

1,616

N/A

passmark_data_compression

198,951

548,248

passmark_data_encryption

4,776

41,662

passmark_extended_instructions

13,514

44,240

passmark_find_prime_numbers

39

422

passmark_floating_point_math

28,538

168,930

passmark_integer_math

45,892

132,810

passmark_multithread

13,576

50,739

passmark_physics

811

3,062

passmark_random_string_sorting

25,270

66,420

passmark_single_thread

2,720

4,645

passmark_singlethread

2,720

4,645

DETAILED SPECIFICATIONS

SPECIFICATION

i7-8700K

Ultra 7 255HX

Core Specs

Cores

6

20 +233.3%

Threads

12

20 +66.7%

Base Clock (GHz)

3.7

2.4 -35.1%

Boost Clock (GHz)

4.7

5.2 +10.6%

Frequency (GHz)

3.7

2.4 -35.1%

Turbo Clock (GHz)

4.7

5.2 +10.6%

Multiplier

37

24 -35.1%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

192 KB (per core)

L2 Cache

256 KB (per core)

3 MB (per core)

L3 Cache

12 MB (shared)

30 MB (shared)

Power

TDP (W)

95

55 -42.1%

PL1

—

55 W

PL2

—

160 W

Architecture

Architecture

Coffee Lake

Arrow Lake

Codename

Coffee Lake

Arrow Lake-HX

Generation

Core i7 (Coffee Lake)

Ultra 7 (Arrow Lake-HX)

Process Size

14 nm

3 nm

Transistors

—

17,800 million

Die Size

154 mm²

243 mm²

Foundry

Intel

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

42.7 GB/s

102.4 GB/s

ECC Memory

No

No

Platform

Socket

Intel Socket 1151

Intel BGA 2114

Chipsets

—

WM880, HM870

PCIe

Gen 3, 16 Lanes(CPU only)

Gen 5, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

—

P-Cores: 8 E-Cores: 12

E-Core Frequency

—

1800 MHz up to 4.5 GHz

AI/NPU

NPU

—

Yes / 13 TOPS

Graphics

Integrated Graphics

UHD Graphics 630

Arc Xe-LPG Graphics 64EU

Other

Market

Desktop

Mobile

Production Status

End-of-life

Active

Launch Price

$359

—

Part Number

SR3QRQNMK

SRVFG

Package

FC-LGA1151

FC-BGA

Tj Max

—

105°C

View Core i7-8700K Details View Core Ultra 7 255HX Details