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

A

AMD

AMD

Ryzen 9 8940HX

CORE STATE Dragon Range

CORE SPECS 16 Cores / 32 Threads

CLOCK SPEED 2.4 Base / 5.3 GHz Turbo

CACHE 64 MB (shared)

MAX TDP 55W

ARCHITECTURE Zen 4

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

3dmark_16_threads

5,427

N/A

3dmark_2_threads

1,729

N/A

3dmark_4_threads

3,029

N/A

3dmark_8_threads

4,583

N/A

3dmark_max_threads

5,402

N/A

3dmark_single_thread

932

N/A

cinebench_cinebench_r15_multicore

2,123

4,584

cinebench_cinebench_r15_singlecore

299

647

cinebench_cinebench_r20_multicore

8,846

19,104

cinebench_cinebench_r20_singlecore

1,248

2,696

cinebench_cinebench_r23_multicore

21,064

45,488

cinebench_cinebench_r23_singlecore

2,973

6,421

geekbench_multicore

8,766

N/A

geekbench_singlecore

2,077

N/A

passmark_data_compression

288,604

738,673

passmark_data_encryption

17,691

44,430

passmark_extended_instructions

20,432

54,674

passmark_find_prime_numbers

80

272

passmark_floating_point_math

51,767

125,981

passmark_integer_math

90,852

205,945

passmark_multithread

24,782

54,675

passmark_physics

1,256

2,115

passmark_random_string_sorting

33,757

85,869

passmark_single_thread

3,565

4,033

passmark_singlethread

3,565

4,033

DETAILED SPECIFICATIONS

SPECIFICATION

7 7840U

9 8940HX

Core Specs

Cores

8

16 +100.0%

Threads

16

32 +100.0%

Base Clock (GHz)

3.3

2.4 -27.3%

Boost Clock (GHz)

5.1

5.3 +3.9%

Frequency (GHz)

3.3

2.4 -27.3%

Turbo Clock (GHz)

5.1

5.3 +3.9%

Multiplier

33

24 -27.3%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

64 KB (per core)

L2 Cache

1 MB (per core)

1 MB (per core)

L3 Cache

16 MB (shared)

64 MB (shared)

Power

TDP (W)

28

55 +96.4%

Configurable TDP

15-30 W

45-75 W

Architecture

Architecture

Zen 4

Zen 4

Codename

Phoenix

Dragon Range

Generation

Ryzen 7 (Zen 4 (Phoenix))

Ryzen 9 (Zen 4 (Dragon Range))

Process Size

4 nm

5 nm

Transistors

25,000 million

13,140 million

Die Size

178 mm²

2x 71 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR5

DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

89.6 GB/s

83.2 GB/s

ECC Memory

Yes

No

Platform

Socket

AMD Socket FP8

AMD Socket FL1

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 5, 28 Lanes(CPU only)

AMD Multi-Die

IO Process Size

—

6 nm

Graphics

Integrated Graphics

Radeon 780M

Radeon 610M

Other

Market

Mobile

Mobile

Production Status

Active

Active

Part Number

100-000000829100-000000830100-000001131

100-000001849

Package

FP8, FP7, FP7r2

µFC-BGAFL1

Tj Max

100°C

100°C

View Ryzen 7 7840U Details View Ryzen 9 8940HX Details