AMD Radeon R9 M275X vs NVIDIA GeForce RTX 4080 Mobile

VS

AMD Radeon R9 M275X

NVIDIA GeForce RTX 4080 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M275X and 12GB VRAM GeForce RTX 4080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Mobile 's Advantages

Released 9 years late

Boost Clock has increased by 80% (1665MHz vs 925MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432.0GB/s vs 72.00GB/s)

6784 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M275X

1.184 TFLOPS

GeForce RTX 4080 Mobile +1987%

24.72 TFLOPS

Radeon R9 M275X

VS

GeForce RTX 4080 Mobile

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

1290 MHz

925 MHz

Boost Clock

1665 MHz

1125 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

192bit

72.00GB/s

Bandwidth

432.0GB/s

Render Config

10

Compute Units

-

SM Count

58

640

Shading Units

7424

40

TMUs

232

16

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

48 MB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

133.2 GPixel/s

37.00 GTexel/s

Texture Rate

386.3 GTexel/s

-

FP16 (half)

24.72 TFLOPS

1184 GFLOPS

FP32 (float)

24.72 TFLOPS

74.00 GFLOPS

FP64 (double)

386.3 GFLOPS

Board Design

Unknown

TDP

110W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

AD104

Venus XTX (216-0846033)

GPU Variant

GN21-X9

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

1.5 billion

Transistors

35.8 billion

123 mm²

Die Size

295 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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