AMD Radeon R9 M280X vs NVIDIA GeForce RTX 5080 Mobile

VS

AMD Radeon R9 M280X

NVIDIA GeForce RTX 5080 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M280X and 16GB VRAM GeForce RTX 5080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 Mobile 's Advantages

Released 9 years and 11 months late

Boost Clock has increased by 100% (2000MHz vs 1000MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (1.01TB/s vs 88.00GB/s)

7296 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M280X

1.792 TFLOPS

GeForce RTX 5080 Mobile +1728%

32.77 TFLOPS

Radeon R9 M280X

VS

GeForce RTX 5080 Mobile

Graphics Card

Feb 2015

Release Date

Jan 2025

Gem System

Generation

GeForce 50 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

900 MHz

Base Clock

1500 MHz

1000 MHz

Boost Clock

2000 MHz

1375 MHz

Memory Clock

2500 MHz

Memory

4GB

Memory Size

16GB

GDDR5

Memory Type

GDDR7

128bit

Memory Bus

256bit

88.00GB/s

Bandwidth

1.01TB/s

Render Config

14

Compute Units

-

SM Count

64

896

Shading Units

8192

56

TMUs

256

16

ROPs

96

-

Tensor Cores

256

-

RT Cores

64

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

64 MB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

192.0 GPixel/s

56.00 GTexel/s

Texture Rate

512.0 GTexel/s

-

FP16 (half)

32.77 TFLOPS

1.792 TFLOPS

FP32 (float)

32.77 TFLOPS

112.0 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

Unknown

TDP

175W

-

Suggested PSU

550 W

Portable Device Dependent

Outputs

1x HDMI 2.13x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Saturn

GPU Name

GB203

Saturn XT (216-0843024)

GPU Variant

-

GCN 2.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

2.08 billion

Transistors

Unknown

160 mm²

Die Size

377 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

10.1

6.5

Shader Model

6.8

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