CPU Comparison

A

AMD

AMD

AMD Ryzen 9 3900

CORE STATE Matisse

CORE SPECS 12 Cores / 24 Threads

CLOCK SPEED 3.1 Base / 4.3 GHz Turbo

CACHE 64 MB

MAX TDP 65W

ARCHITECTURE Zen 2

nm

PROCESS 7 nm

LAUNCH DATE 2019

VS

A

AMD

AMD

Ryzen 9 7940H

CORE STATE Phoenix

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 4 Base / 5.2 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 35W

ARCHITECTURE Zen 4

nm

PROCESS 4 nm

LAUNCH DATE —

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

2,619

2,490

cinebench_cinebench_r15_singlecore

369

351

cinebench_cinebench_r20_multicore

10,914

10,375

cinebench_cinebench_r20_singlecore

1,540

1,464

cinebench_cinebench_r23_multicore

25,988

24,703

cinebench_cinebench_r23_singlecore

3,669

3,487

passmark_data_compression

413,887

352,077

passmark_data_encryption

26,657

21,096

passmark_extended_instructions

26,073

26,804

passmark_find_prime_numbers

203

81

passmark_floating_point_math

56,730

62,057

passmark_integer_math

97,698

101,977

passmark_multithread

30,586

29,063

passmark_physics

1,617

1,300

passmark_random_string_sorting

44,902

42,093

passmark_single_thread

2,604

3,952

passmark_singlethread

2,604

3,952

DETAILED SPECIFICATIONS

SPECIFICATION

9 3900

9 7940H

Core Specs

Cores

12

8 -33.3%

Threads

24

16 -33.3%

Base Clock (GHz)

3.1

4 +29.0%

Boost Clock (GHz)

4.3

5.2 +20.9%

Frequency (GHz)

3.1

4 +29.0%

Turbo Clock (GHz)

4.3

5.2 +20.9%

Multiplier

31

40 +29.0%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

64 KB (per core)

L2 Cache

512 KB (per core)

1 MB (per core)

L3 Cache

64 MB

16 MB (shared)

Power

TDP (W)

65

35 -46.2%

PPT

88 W

—

Configurable TDP

—

54 W

Architecture

Architecture

Zen 2

Zen 4

Codename

Matisse

Phoenix

Generation

Ryzen 9 (Zen 2 (Matisse))

Ryzen 9 (Zen 4 (Phoenix))

Process Size

7 nm

4 nm

Transistors

7,600 million

25,000 million

Die Size

2x 74 mm²

178 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

51.2 GB/s

89.6 GB/s

ECC Memory

No

Yes

Platform

Socket

AMD Socket AM4

AMD Socket FP8

Chipsets

A300, X300, A320, B350, X370, B450, X470, A520, B550, X570

—

PCIe

Gen 4, 24 Lanes(CPU only)

Gen 4, 20 Lanes(CPU only)

AMD Multi-Die

IO Process Size

12 nm

—

Graphics

Integrated Graphics

—

Radeon 780M

Other

Market

Desktop

Mobile

Production Status

Active

Active

Launch Price

$499

—

Part Number

100-000000070

100-000000954(FP7r2)100-000000963(FP7)100-000001128(FP8)

Package

µOPGA-1331

FP8, FP7, FP7r2

Tj Max

95°C

100°C

View Ryzen 9 3900 Details View Ryzen 9 7940H Details