AMD Radeon HD 7950M vs AMD Radeon RX 7900M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 16GB VRAM Radeon RX 7900M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

Lower TDP (75W vs 180W)

AMD Radeon RX 7900M 's Advantages

Released 11 years and 6 months late

Boost Clock2090MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 128.0GB/s)

3328 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950M

1.792 TFLOPS

Radeon RX 7900M +2049%

38.52 TFLOPS

Radeon HD 7950M

VS

Radeon RX 7900M

Graphics Card

Apr 2012

Release Date

Oct 2023

London

Generation

Navi Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2090 MHz

1000 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

-

20

Compute Units

72

1280

Shading Units

4608

80

TMUs

288

32

ROPs

192

-

Tensor Cores

-

RT Cores

72

16 KB (per CU)

L1 Cache

256 KB per Array

512 KB

L2 Cache

6 MB

Theoretical Performance

22.40 GPixel/s

Pixel Rate

401.3 GPixel/s

56.00 GTexel/s

Texture Rate

601.9 GTexel/s

-

FP16 (half)

77.05 TFLOPS

1.792 TFLOPS

FP32 (float)

38.52 TFLOPS

-

FP64 (double)

1204 GFLOPS

Graphics Processor

Wimbledon

GPU Name

Navi 31

Wimbledon PRO

GPU Variant

Navi 31

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.8 billion

Transistors

57.7 billion

212 mm²

Die Size

529 mm²

Board Design

75W

TDP

180W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.7

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