NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon RX 7900M

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

AMD Radeon RX 7900M

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

Main Differences

NVIDIA GeForce RTX 3080 Mobile 16 GB 's Advantages

1536 additional rendering cores

Lower TDP (115W vs 180W)

AMD Radeon RX 7900M 's Advantages

Released 2 years and 9 months late

Boost Clock has increased by 35% (2090MHz vs 1545MHz)

Larger VRAM bandwidth (576.0GB/s vs 448.0GB/s)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB

18.98 TFLOPS

Radeon RX 7900M +102%

38.52 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

Radeon RX 7900M

Graphics Card

Jan 2021

Release Date

Oct 2023

GeForce 30 Mobile

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1110 MHz

Base Clock

1825 MHz

1545 MHz

Boost Clock

2090 MHz

1750 MHz

Memory Clock

2250 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

576.0GB/s

Render Config

-

Compute Units

72

48

SM Count

-

6144

Shading Units

4608

192

TMUs

288

96

ROPs

192

Tensor Cores

-

48

RT Cores

72

128 KB (per SM)

L1 Cache

256 KB per Array

4 MB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

148.3 GPixel/s

Pixel Rate

401.3 GPixel/s

296.6 GTexel/s

Texture Rate

601.9 GTexel/s

18.98 TFLOPS

FP16 (half)

77.05 TFLOPS

18.98 TFLOPS

FP32 (float)

38.52 TFLOPS

296.6 GFLOPS

FP64 (double)

1204 GFLOPS

Board Design

115W

TDP

180W

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Navi 31

GA104-775-A1

GPU Variant

Navi 31

Ampere

Architecture

RDNA 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

5 nm

17.4 billion

Transistors

57.7 billion

392 mm²

Die Size

529 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

8.6

CUDA

-

6.8

Shader Model

6.7

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