AMD Radeon RX 6600M vs AMD Radeon HD 6625M

VS

AMD Radeon RX 6600M

AMD Radeon HD 6625M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 1024MB VRAM Radeon HD 6625M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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

AMD Radeon HD 6625M 's Advantages

Lower TDP (26W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +1904%

8.659 TFLOPS

Radeon HD 6625M

0.432 TFLOPS

Radeon RX 6600M

VS

Radeon HD 6625M

Graphics Card

May 2021

Release Date

Jan 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

2068 MHz

Base Clock

-

2416 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

25.60GB/s

Render Config

28

Compute Units

6

-

1792

Shading Units

480

112

TMUs

24

64

ROPs

8

-

28

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

3.600 GPixel/s

270.6 GTexel/s

Texture Rate

10.80 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

432.0 GFLOPS

541.2 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

26W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

Whistler

-

GPU Variant

Whistler LP

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

0.716 billion

237 mm²

Die Size

104 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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