CPU Comparison

A

AMD

AMD

AMD Ryzen 7 7840H

CORE STATE Phoenix

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 3.8 Base / 5.1 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 35W

ARCHITECTURE Zen 4

nm

PROCESS 4 nm

LAUNCH DATE —

VS

A

AMD

AMD

Ryzen 9 3900XT

CORE STATE Matisse 2

CORE SPECS 12 Cores / 24 Threads

CLOCK SPEED 3.9 Base / 4.7 GHz Turbo

CACHE 64 MB

MAX TDP 105W

ARCHITECTURE Zen 2

nm

PROCESS 7 nm

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

3dmark_16_threads

7,461

7,537

3dmark_2_threads

1,906

1,452

3dmark_4_threads

3,638

2,796

3dmark_8_threads

6,116

5,200

3dmark_max_threads

7,409

8,515

3dmark_single_thread

976

735

cinebench_cinebench_r15_multicore

2,392

2,790

cinebench_cinebench_r15_singlecore

337

393

cinebench_cinebench_r20_multicore

9,967

11,628

cinebench_cinebench_r20_singlecore

1,407

1,641

cinebench_cinebench_r23_multicore

23,731

27,688

cinebench_cinebench_r23_singlecore

3,350

3,909

passmark_data_compression

341,520

452,328

passmark_data_encryption

20,162

28,634

passmark_extended_instructions

25,654

28,586

passmark_find_prime_numbers

83

214

passmark_floating_point_math

58,724

58,513

passmark_integer_math

96,692

99,722

passmark_multithread

27,919

32,575

passmark_physics

1,301

1,776

passmark_random_string_sorting

38,938

48,327

passmark_single_thread

3,641

2,742

passmark_singlethread

3,641

2,742

geekbench_multicore

N/A

9,950

geekbench_singlecore

N/A

1,739

DETAILED SPECIFICATIONS

SPECIFICATION

7 7840H

9 3900XT

Core Specs

Cores

8

12 +50.0%

Threads

16

24 +50.0%

Base Clock (GHz)

3.8

3.9 +2.6%

Boost Clock (GHz)

5.1

4.7 -7.8%

Frequency (GHz)

3.8

3.9 +2.6%

Turbo Clock (GHz)

5.1

4.7 -7.8%

Multiplier

38

39 +2.6%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

64 KB (per core)

L2 Cache

1 MB (per core)

512 KB (per core)

L3 Cache

16 MB (shared)

64 MB

Power

TDP (W)

35

105 +200.0%

PPT

—

142 W

Configurable TDP

35-54 W

—

Architecture

Architecture

Zen 4

Zen 2

Codename

Phoenix

Matisse 2

Generation

Ryzen 7 (Zen 4 (Phoenix))

Ryzen 9 (Zen 2 (Matisse))

Process Size

4 nm

7 nm

Transistors

25,000 million

7,600 million

Die Size

178 mm²

2x 74 mm²

Foundry

TSMC

TSMC

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

AMD Socket AM4

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 4, 24 Lanes(CPU only)

AMD Multi-Die

IO Process Size

—

12 nm

Graphics

Integrated Graphics

Radeon 780M

—

Other

Market

Mobile

Desktop

Production Status

Active

Active

Launch Price

—

$499

Part Number

100-000000955(FP7r2)100-000000964(FP7)100-000001129(FP8)

100-100000277WOF

Package

FP8, FP7, FP7r2

µOPGA-1331

Tj Max

100°C

—

View Ryzen 7 7840H Details View Ryzen 9 3900XT Details