AMD Radeon HD 6625M vs AMD Radeon RX 6600M

VS

AMD Radeon HD 6625M

AMD Radeon RX 6600M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6625M and 8GB VRAM Radeon RX 6600M 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 100W)

AMD Radeon RX 6600M 's Advantages

Released 10 years and 4 months late

Boost Clock2416MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 25.60GB/s)

1312 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6625M

0.432 TFLOPS

Radeon RX 6600M +1904%

8.659 TFLOPS

Radeon HD 6625M

VS

Radeon RX 6600M

Graphics Card

Jan 2011

Release Date

May 2021

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2068 MHz

-

Boost Clock

2416 MHz

800 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

224.0GB/s

Render Config

6

Compute Units

28

-

480

Shading Units

1792

24

TMUs

112

8

ROPs

64

-

RT Cores

28

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

3.600 GPixel/s

Pixel Rate

154.6 GPixel/s

10.80 GTexel/s

Texture Rate

270.6 GTexel/s

-

FP16 (half)

17.32 TFLOPS

432.0 GFLOPS

FP32 (float)

8.659 TFLOPS

-

FP64 (double)

541.2 GFLOPS

Board Design

26W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

Navi 23

Whistler LP

GPU Variant

-

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.716 billion

Transistors

11.06 billion

104 mm²

Die Size

237 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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