AMD Radeon HD 6625M vs NVIDIA GeForce RTX 4080 Max-Q

VS

AMD Radeon HD 6625M

NVIDIA GeForce RTX 4080 Max-Q

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6625M and 12GB VRAM GeForce RTX 4080 Max Q 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 60W)

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

Released 12 years late

Boost Clock1350MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (336.0GB/s vs 25.60GB/s)

6944 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6625M

0.432 TFLOPS

GeForce RTX 4080 Max Q +4538%

20.04 TFLOPS

Radeon HD 6625M

VS

GeForce RTX 4080 Max Q

Graphics Card

Jan 2011

Release Date

Jan 2023

Vancouver

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

795 MHz

-

Boost Clock

1350 MHz

800 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

12GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

192bit

25.60GB/s

Bandwidth

336.0GB/s

Render Config

6

Compute Units

-

SM Count

58

480

Shading Units

7424

24

TMUs

232

8

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

48 MB

-

Theoretical Performance

3.600 GPixel/s

Pixel Rate

108.0 GPixel/s

10.80 GTexel/s

Texture Rate

313.2 GTexel/s

-

FP16 (half)

20.04 TFLOPS

432.0 GFLOPS

FP32 (float)

20.04 TFLOPS

-

FP64 (double)

313.2 GFLOPS

Board Design

26W

TDP

60W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

AD104

Whistler LP

GPU Variant

GN21-X9

TeraScale 2

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

4 nm

0.716 billion

Transistors

35.8 billion

104 mm²

Die Size

295 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.9

5.0

Shader Model

6.7

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