CPU Comparison

A

AMD

AMD

AMD Ryzen 5 7645HX

CORE STATE Dragon Range

CORE SPECS 6 Cores / 12 Threads

CLOCK SPEED 4 Base / 5 GHz Turbo

CACHE 32 MB (shared)

MAX TDP 45W

ARCHITECTURE Zen 4

nm

PROCESS 5 nm

LAUNCH DATE 2023

VS

A

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 —

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

2,268

2,123

cinebench_cinebench_r15_singlecore

320

299

cinebench_cinebench_r20_multicore

9,451

8,846

cinebench_cinebench_r20_singlecore

1,334

1,248

cinebench_cinebench_r23_multicore

22,504

21,064

cinebench_cinebench_r23_singlecore

3,177

2,973

geekbench_multicore

11,586

8,766

geekbench_singlecore

2,657

2,077

passmark_data_compression

302,256

288,604

passmark_data_encryption

17,900

17,691

passmark_extended_instructions

22,969

20,432

passmark_find_prime_numbers

178

80

passmark_floating_point_math

48,798

51,767

passmark_integer_math

77,432

90,852

passmark_multithread

26,476

24,782

passmark_physics

1,497

1,256

passmark_random_string_sorting

34,434

33,757

passmark_single_thread

3,907

3,565

passmark_singlethread

3,907

3,565

3dmark_16_threads

N/A

5,427

3dmark_2_threads

N/A

1,729

3dmark_4_threads

N/A

3,029

3dmark_8_threads

N/A

4,583

3dmark_max_threads

N/A

5,402

3dmark_single_thread

N/A

932

DETAILED SPECIFICATIONS

SPECIFICATION

5 7645HX

7 7840U

Core Specs

Cores

6

8 +33.3%

Threads

12

16 +33.3%

Base Clock (GHz)

4

3.3 -17.5%

Boost Clock (GHz)

5

5.1 +2.0%

Frequency (GHz)

4

3.3 -17.5%

Turbo Clock (GHz)

5

5.1 +2.0%

Multiplier

40

33 -17.5%

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

32 MB (shared)

16 MB (shared)

Power

TDP (W)

45

28 -37.8%

Configurable TDP

75 W

15-30 W

Architecture

Architecture

Zen 4

Zen 4

Codename

Dragon Range

Phoenix

Generation

Ryzen 5 (Zen 4 (Dragon Range))

Ryzen 7 (Zen 4 (Phoenix))

Process Size

5 nm

4 nm

Transistors

6,570 million

25,000 million

Die Size

71 mm²

178 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR5

DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

83.2 GB/s

89.6 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket FL1

AMD Socket FP8

PCIe

Gen 5, 28 Lanes(CPU only)

Gen 4, 20 Lanes(CPU only)

AMD Multi-Die

IO Process Size

6 nm

—

Graphics

Integrated Graphics

Radeon 610M

Radeon 780M

Other

Market

Mobile

Mobile

Production Status

Active

Active

Part Number

100-000000872

100-000000829100-000000830100-000001131

Package

µFC-BGAFL1

FP8, FP7, FP7r2

Tj Max

100°C

100°C

View Ryzen 5 7645HX Details View Ryzen 7 7840U Details