AMD Radeon RX 7900M vs AMD Radeon RX 6300M

VS

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 2GB VRAM Radeon RX 6300M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 1 years and 9 months late

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 72.00GB/s)

3840 additional rendering cores

AMD Radeon RX 6300M 's Advantages

Boost Clock has increased by 15% (2400MHz vs 2090MHz)

Lower TDP (35W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +945%

38.52 TFLOPS

Radeon RX 6300M

3.686 TFLOPS

Radeon RX 7900M

VS

Radeon RX 6300M

Graphics Card

Oct 2023

Release Date

Jan 2022

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1825 MHz

Base Clock

2000 MHz

2090 MHz

Boost Clock

2400 MHz

2250 MHz

Memory Clock

2250 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

32bit

576.0GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

72

Compute Units

12

4608

Shading Units

768

288

TMUs

48

192

ROPs

32

-

Tensor Cores

-

72

RT Cores

12

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

1024 KB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

76.80 GPixel/s

601.9 GTexel/s

Texture Rate

115.2 GTexel/s

77.05 TFLOPS

FP16 (half)

7.373 TFLOPS

38.52 TFLOPS

FP32 (float)

3.686 TFLOPS

1204 GFLOPS

FP64 (double)

230.4 GFLOPS

Graphics Processor

Navi 31

GPU Name

Navi 24

Navi 31

GPU Variant

Navi 24 XML

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

6 nm

57.7 billion

Transistors

5.4 billion

529 mm²

Die Size

107 mm²

Board Design

180W

TDP

35W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.2

1.3

Vulkan

1.3

-

CUDA

-

6.7

Shader Model

6.6

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