CPU Comparison

A

AMD

AMD

AMD Ryzen 7 7840U

CORE STATE Phoenix

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 3.3 Base / 5.1 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 28W

ARCHITECTURE Zen 4

nm

PROCESS 4 nm

LAUNCH DATE —

VS

i

Intel

INTEL

Core i9-11900KF

CORE STATE Rocket Lake

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 3.5 Base / 5.3 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 125W

ARCHITECTURE Rocket Lake

nm

PROCESS 14 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

3dmark_16_threads

5,427

8,335

3dmark_2_threads

1,729

2,005

3dmark_4_threads

3,029

3,834

3dmark_8_threads

4,583

6,671

3dmark_max_threads

5,402

8,322

3dmark_single_thread

932

1,026

cinebench_cinebench_r15_multicore

2,123

2,116

cinebench_cinebench_r15_singlecore

299

298

cinebench_cinebench_r20_multicore

8,846

8,820

cinebench_cinebench_r20_singlecore

1,248

1,244

cinebench_cinebench_r23_multicore

21,064

21,000

cinebench_cinebench_r23_singlecore

2,973

2,964

geekbench_multicore

8,766

10,021

geekbench_singlecore

2,077

2,320

passmark_data_compression

288,604

325,688

passmark_data_encryption

17,691

15,623

passmark_extended_instructions

20,432

22,703

passmark_find_prime_numbers

80

66

passmark_floating_point_math

51,767

52,640

passmark_integer_math

90,852

89,023

passmark_multithread

24,782

24,708

passmark_physics

1,256

1,034

passmark_random_string_sorting

33,757

37,383

passmark_single_thread

3,565

3,527

passmark_singlethread

3,565

3,527

DETAILED SPECIFICATIONS

SPECIFICATION

7 7840U

i9-11900KF

Core Specs

Cores

8

8 0.0%

Threads

16

16 0.0%

Base Clock (GHz)

3.3

3.5 +6.1%

Boost Clock (GHz)

5.1

5.3 +3.9%

Frequency (GHz)

3.3

3.5 +6.1%

Turbo Clock (GHz)

5.1

5.3 +3.9%

Multiplier

33

35 +6.1%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

80 KB (per core)

L2 Cache

1 MB (per core)

512 KB (per core)

L3 Cache

16 MB (shared)

16 MB (shared)

Power

TDP (W)

28

125 +346.4%

Configurable TDP

15-30 W

—

Architecture

Architecture

Zen 4

Rocket Lake

Codename

Phoenix

Rocket Lake

Generation

Ryzen 7 (Zen 4 (Phoenix))

Core i9 (Rocket Lake-S)

Process Size

4 nm

14 nm

Transistors

25,000 million

—

Die Size

178 mm²

276 mm²

Foundry

TSMC

Intel

Memory

Memory Support

DDR5

DDR4

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

89.6 GB/s

51.2 GB/s

ECC Memory

Yes

No

Platform

Socket

AMD Socket FP8

Intel Socket 1200

Chipsets

—

H510, B560, H570, Q570, W580, Z590, Q470, H470, W480, Z490

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 4, 20 Lanes(CPU only)

Graphics

Integrated Graphics

Radeon 780M

—

Other

Market

Mobile

Desktop

Production Status

Active

End-of-life

Launch Price

—

$513

Part Number

100-000000829100-000000830100-000001131

SRKNF

Package

FP8, FP7, FP7r2

FC-LGA14A

Tj Max

100°C

100°C

View Ryzen 7 7840U Details View Core i9-11900KF Details