AMD Radeon RX 7900M vs AMD Radeon HD 7650M

VS

AMD Radeon RX 7900M

AMD Radeon HD 7650M

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 1024MB VRAM Radeon HD 7650M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 11 years and 9 months late

Boost Clock2090MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (576.0GB/s vs 25.60GB/s)

4128 additional rendering cores

AMD Radeon HD 7650M 's Advantages

Lower TDP (20W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +8816%

38.52 TFLOPS

Radeon HD 7650M

0.432 TFLOPS

Radeon RX 7900M

VS

Radeon HD 7650M

Graphics Card

Oct 2023

Release Date

Jan 2012

Navi Mobile

Generation

London

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2090 MHz

Boost Clock

-

2250 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

25.60GB/s

Render Config

72

Compute Units

6

-

4608

Shading Units

480

288

TMUs

24

192

ROPs

16

-

72

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

256 KB

64 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

7.200 GPixel/s

601.9 GTexel/s

Texture Rate

10.80 GTexel/s

77.05 TFLOPS

FP16 (half)

-

38.52 TFLOPS

FP32 (float)

432.0 GFLOPS

1204 GFLOPS

FP64 (double)

-

Board Design

180W

TDP

20W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 31

GPU Name

Thames

Navi 31

GPU Variant

Thames PRO

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.716 billion

529 mm²

Die Size

104 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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