AMD Radeon R9 M275X vs NVIDIA GeForce RTX 4090 Max-Q

VS

AMD Radeon R9 M275X

NVIDIA GeForce RTX 4090 Max-Q

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M275X and 16GB VRAM GeForce RTX 4090 Max Q 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 9 years late

Boost Clock has increased by 57% (1455MHz vs 925MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 72.00GB/s)

9088 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M275X

1.184 TFLOPS

GeForce RTX 4090 Max Q +2291%

28.31 TFLOPS

Radeon R9 M275X

VS

GeForce RTX 4090 Max Q

Graphics Card

Jan 2014

Release Date

Jan 2023

Gem System

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

930 MHz

925 MHz

Boost Clock

1455 MHz

1125 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

448.0GB/s

Render Config

10

Compute Units

-

SM Count

76

640

Shading Units

9728

40

TMUs

304

16

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

64 MB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

163.0 GPixel/s

37.00 GTexel/s

Texture Rate

442.3 GTexel/s

-

FP16 (half)

28.31 TFLOPS

1184 GFLOPS

FP32 (float)

28.31 TFLOPS

74.00 GFLOPS

FP64 (double)

442.3 GFLOPS

Board Design

Unknown

TDP

80W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

AD103

Venus XTX (216-0846033)

GPU Variant

GN21-X11

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

1.5 billion

Transistors

45.9 billion

123 mm²

Die Size

379 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

8.9

6.5 (5.1)

Shader Model

6.7

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