NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon R9 M270X

VS

NVIDIA GeForce RTX 4090 Max-Q AMD Radeon R9 M270X

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q 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 4090 Max-Q 's Advantages

Released 7 years and 11 months late

Boost Clock has increased by 46% (1455MHz vs 1000MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 88.00GB/s)

8960 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Max Q +1743%

28.31 TFLOPS

Radeon R9 M270X

1.536 TFLOPS

GeForce RTX 4090 Max Q

VS

Radeon R9 M270X

Graphics Card

Jan 2023

Release Date

Feb 2015

GeForce 40 Mobile

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

930 MHz

Base Clock

900 MHz

1455 MHz

Boost Clock

1000 MHz

1750 MHz

Memory Clock

1375 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

88.00GB/s

Render Config

76

SM Count

-

Compute Units

12

9728

Shading Units

768

304

TMUs

48

112

ROPs

16

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

256 KB

Theoretical Performance

163.0 GPixel/s

Pixel Rate

16.00 GPixel/s

442.3 GTexel/s

Texture Rate

48.00 GTexel/s

28.31 TFLOPS

FP16 (half)

-

28.31 TFLOPS

FP32 (float)

1.536 TFLOPS

442.3 GFLOPS

FP64 (double)

96.00 GFLOPS

Graphics Processor

AD103

GPU Name

Saturn

GN21-X11

GPU Variant

Saturn PRO (216-0843044)

Ada Lovelace

Architecture

GCN 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

45.9 billion

Transistors

2.08 billion

379 mm²

Die Size

160 mm²

Board Design

80W

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

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

8.9

CUDA

-

6.7

Shader Model

6.5

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