Intel Core Ultra 5 245K vs Intel Core i7 7820X

VS

Intel Core Ultra 5 245K

Intel Core i7 7820X

We compared two desktop CPUs: Intel Core Ultra 5 245K with 14 cores 4.2GHz and Intel Core i7 7820X with 8 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core Ultra 5 245K 's Advantages

Released 7 years and 5 months late

Integrated graphics card

Higher specification of memory (6400 vs 2666)

Larger memory bandwidth (102.4GB/s vs 79.47GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (4.2GHz vs 3.6GHz)

Larger L3 cache size (24MB vs 11MB)

More modern manufacturing process (3nm vs 14nm)

Lower TDP (125W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core Ultra 5 245K +57%

2112

Intel Core i7 7820X

1338

Cinebench R23 Multi Core

Intel Core Ultra 5 245K +86%

24930

Intel Core i7 7820X

13358

Geekbench 6 Single Core

Intel Core Ultra 5 245K +137%

2973

Intel Core i7 7820X

1252

Geekbench 6 Multi Core

Intel Core Ultra 5 245K +121%

16604

Intel Core i7 7820X

7510

Geekbench 5 Single Core

Intel Core Ultra 5 245K +100%

2248

Intel Core i7 7820X

1120

Geekbench 5 Multi Core

Intel Core Ultra 5 245K +115%

18354

Intel Core i7 7820X

8504

Passmark CPU Single Core

Intel Core Ultra 5 245K +84%

4680

Intel Core i7 7820X

2536

Passmark CPU Multi Core

Intel Core Ultra 5 245K +147%

42595

Intel Core i7 7820X

17189

Intel Core Ultra 5 245K

VS

Intel Core i7 7820X

General Parameters

Oct 2024

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Arrow Lake

Core Architecture

Skylake

245K

Processor Number

i7-7820X

FCLGA-1851

Socket

LGA-2066

Arc Xe2 (Arrow Lake-S)

Integrated Graphics

N/A

Ultra 5(Arrow Lake)

Generation

-

Package

3 nm

Manufacturing Process

14 nm

125 W

Power Consumption

140 W

159 W

Max Turbo Power Consumption

-

105 °C

Peak Operating Temperature

99 °C

TSMC

Foundry

-

CPU Performance

6

Performance Cores

8

6

Performance Core Threads

16

4.2 GHz

Performance Core Base Frequency

3.6 GHz

5.2 GHz

Performance Core Turbo Frequency

4.3 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

3.6 GHz

Efficiency Core Base Frequency

-

4.6 GHz

Efficiency Core Turbo Frequency

-

14

Total Core Count

8

14

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

42

Multiplier

36x

112 K per core

L1 Cache

64 K per core

3 MB per core

L2 Cache

1 MB per core

24 MB shared

L3 Cache

11 MB shared

Yes

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-6400

Memory Types

DDR4-2666

192 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

102.4 GB/s

Max Memory Bandwidth

79.47 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

1900 MHz

GPU Max Dynamic Frequency

-

512

Shader Units

-

16

Texture Units

-

8

Raster Operation Units

-

64

Execution Units

-

1.95 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core Ultra 5 245K

Official Website

Intel Core i7 7820X

5.0

PCIe Version

3.0

24

PCIe Lanes

28

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2, AVX-512

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