AMD Radeon HD 6625M vs AMD Radeon RX 7800M

VS

AMD Radeon HD 6625M

AMD Radeon RX 7800M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6625M and 12GB VRAM Radeon RX 7800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6625M 's Advantages

Lower TDP (26W vs 180W)

AMD Radeon RX 7800M 's Advantages

Released 13 years and 8 months late

Boost Clock2145MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432GB/s vs 25.60GB/s)

3360 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6625M

0.432 TFLOPS

Radeon RX 7800M +8203%

35.87 TFLOPS

Radeon HD 6625M

VS

Radeon RX 7800M

Graphics Card

Jan 2011

Release Date

Sep 2024

Vancouver

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2145 MHz

800 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

12GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

192bit

25.60GB/s

Bandwidth

432GB/s

Render Config

6

Compute Units

60

-

480

Shading Units

3840

24

TMUs

240

8

ROPs

96

-

RT Cores

60

8 KB (per CU)

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

-

L3 Cache

48 MB

Theoretical Performance

3.600 GPixel/s

Pixel Rate

401.3 GPixel/s

10.80 GTexel/s

Texture Rate

560.4 GTexel/s

-

FP16 (half)

71.73 TFLOPS

432.0 GFLOPS

FP32 (float)

35.87 TFLOPS

-

FP64 (double)

1121 GFLOPS

Board Design

26W

TDP

180W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

Navi 32

Whistler LP

GPU Variant

Navi 32

TeraScale 2

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

0.716 billion

Transistors

28.1 billion

104 mm²

Die Size

529 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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