AMD Radeon RX 7900M vs NVIDIA GeForce RTX 3080 Max Q

VS

AMD Radeon RX 7900M NVIDIA GeForce RTX 3080 Max Q

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 8GB VRAM GeForce RTX 3080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 2 years and 9 months late

Boost Clock has increased by 68% (2090MHz vs 1245MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 384.0GB/s)

NVIDIA GeForce RTX 3080 Max Q 's Advantages

1536 additional rendering cores

Lower TDP (80W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +151%

38.52 TFLOPS

GeForce RTX 3080 Max Q

15.3 TFLOPS

Radeon RX 7900M

VS

GeForce RTX 3080 Max Q

Graphics Card

Oct 2023

Release Date

Jan 2021

Navi Mobile

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1825 MHz

Base Clock

780 MHz

2090 MHz

Boost Clock

1245 MHz

2250 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

48

72

Compute Units

-

4608

Shading Units

6144

288

TMUs

192

ROPs

96

-

Tensor Cores

192

72

RT Cores

48

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

4 MB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

119.5 GPixel/s

601.9 GTexel/s

Texture Rate

239.0 GTexel/s

77.05 TFLOPS

FP16 (half)

15.30 TFLOPS

38.52 TFLOPS

FP32 (float)

15.30 TFLOPS

1204 GFLOPS

FP64 (double)

239.0 GFLOPS

Graphics Processor

Navi 31

GPU Name

GA104

Navi 31

GPU Variant

GA104-775-A1

RDNA 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

57.7 billion

Transistors

17.4 billion

529 mm²

Die Size

392 mm²

Board Design

180W

TDP

80W

-

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

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.7

Shader Model

6.6

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