NVIDIA GeForce RTX 5090 Mobile vs AMD Radeon R9 M270X

VS

NVIDIA GeForce RTX 5090 Mobile

AMD Radeon R9 M270X

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5090 Mobile and 2GB VRAM Radeon R9 M270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5090 Mobile 's Advantages

Released 9 years and 11 months late

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

More VRAM (16GB vs 2GB)

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

9984 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 5090 Mobile +2700%

43.01 TFLOPS

Radeon R9 M270X

1.536 TFLOPS

GeForce RTX 5090 Mobile

VS

Radeon R9 M270X

Graphics Card

Jan 2025

Release Date

Feb 2015

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

1000 MHz

2500 MHz

Memory Clock

1375 MHz

Memory

16GB

Memory Size

2GB

GDDR7

Memory Type

GDDR5

256bit

Memory Bus

128bit

1.01TB/s

Bandwidth

88.00GB/s

Render Config

-

Compute Units

12

84

SM Count

-

10752

Shading Units

768

336

TMUs

48

128

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

256 KB

-

Theoretical Performance

256.0 GPixel/s

Pixel Rate

16.00 GPixel/s

672.0 GTexel/s

Texture Rate

48.00 GTexel/s

43.01 TFLOPS

FP16 (half)

-

43.01 TFLOPS

FP32 (float)

1.536 TFLOPS

672.0 GFLOPS

FP64 (double)

96.00 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

Saturn

-

GPU Variant

Saturn PRO (216-0843044)

Blackwell 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

2.08 billion

377 mm²

Die Size

160 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

10.1

CUDA

-

6.8

Shader Model

6.5

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