AMD Radeon RX 6650M XT vs AMD Radeon RX 7900M

VS

AMD Radeon RX 6650M XT

AMD Radeon RX 7900M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6650M XT 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 RX 6650M XT 's Advantages

Boost Clock has increased by 16% (2416MHz vs 2090MHz)

Lower TDP (120W vs 180W)

AMD Radeon RX 7900M 's Advantages

Released 1 years and 9 months late

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 256.0GB/s)

2560 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6650M XT

9.896 TFLOPS

Radeon RX 7900M +289%

38.52 TFLOPS

Radeon RX 6650M XT

VS

Radeon RX 7900M

Graphics Card

Jan 2022

Release Date

Oct 2023

Mobility Radeon

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

2068 MHz

Base Clock

1825 MHz

2416 MHz

Boost Clock

2090 MHz

2000 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

576.0GB/s

Render Config

32

Compute Units

72

-

2048

Shading Units

4608

128

TMUs

288

64

ROPs

192

-

32

RT Cores

72

128 KB per Array

L1 Cache

256 KB per Array

2 MB

L2 Cache

6 MB

32 MB

L3 Cache

64 MB

Theoretical Performance

154.6 GPixel/s

Pixel Rate

401.3 GPixel/s

309.2 GTexel/s

Texture Rate

601.9 GTexel/s

19.79 TFLOPS

FP16 (half)

77.05 TFLOPS

9.896 TFLOPS

FP32 (float)

38.52 TFLOPS

618.5 GFLOPS

FP64 (double)

1204 GFLOPS

Board Design

120W

TDP

180W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Navi 31

-

GPU Variant

Navi 31

RDNA 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

11.06 billion

Transistors

57.7 billion

237 mm²

Die Size

529 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

6.5

Shader Model

6.7

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