NVIDIA GeForce RTX 5080 Mobile vs AMD Radeon R9 M275X

VS

NVIDIA GeForce RTX 5080 Mobile

AMD Radeon R9 M275X

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5080 Mobile and 2GB VRAM Radeon R9 M275X 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 11 years late

Boost Clock has increased by 116% (2000MHz vs 925MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (1.01TB/s vs 72.00GB/s)

7552 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 5080 Mobile +2667%

32.77 TFLOPS

Radeon R9 M275X

1.184 TFLOPS

GeForce RTX 5080 Mobile

VS

Radeon R9 M275X

Graphics Card

Jan 2025

Release Date

Jan 2014

GeForce 50 Mobile

Generation

Gem System

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1500 MHz

Base Clock

900 MHz

2000 MHz

Boost Clock

925 MHz

2500 MHz

Memory Clock

1125 MHz

Memory

16GB

Memory Size

2GB

GDDR7

Memory Type

GDDR5

256bit

Memory Bus

128bit

1.01TB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

64

SM Count

-

8192

Shading Units

640

256

TMUs

40

96

ROPs

16

256

Tensor Cores

-

64

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

256 KB

-

Theoretical Performance

192.0 GPixel/s

Pixel Rate

14.80 GPixel/s

512.0 GTexel/s

Texture Rate

37.00 GTexel/s

32.77 TFLOPS

FP16 (half)

-

32.77 TFLOPS

FP32 (float)

1184 GFLOPS

512.0 GFLOPS

FP64 (double)

74.00 GFLOPS

Board Design

175W

TDP

Unknown

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GB203

GPU Name

Venus

-

GPU Variant

Venus XTX (216-0846033)

Blackwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

1.5 billion

377 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

10.1

CUDA

-

6.8

Shader Model

6.5 (5.1)

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