AMD Radeon R9 M275 vs AMD Radeon RX 7900M

VS

AMD Radeon R9 M275

AMD Radeon RX 7900M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M275 and 16GB VRAM Radeon RX 7900M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 9 years and 9 months late

Boost Clock has increased by 126% (2090MHz vs 925MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 64.00GB/s)

3968 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M275

1.184 TFLOPS

Radeon RX 7900M +3153%

38.52 TFLOPS

Radeon R9 M275

VS

Radeon RX 7900M

Graphics Card

Jan 2014

Release Date

Oct 2023

Gem System

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

1825 MHz

925 MHz

Boost Clock

2090 MHz

1000 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

576.0GB/s

Render Config

10

Compute Units

72

-

640

Shading Units

4608

40

TMUs

288

16

ROPs

192

-

RT Cores

72

16 KB (per CU)

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

14.80 GPixel/s

Pixel Rate

401.3 GPixel/s

37.00 GTexel/s

Texture Rate

601.9 GTexel/s

-

FP16 (half)

77.05 TFLOPS

1184 GFLOPS

FP32 (float)

38.52 TFLOPS

74.00 GFLOPS

FP64 (double)

1204 GFLOPS

Board Design

Unknown

TDP

180W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

Navi 31

Venus XTX (216-0846033)

GPU Variant

Navi 31

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

1.5 billion

Transistors

57.7 billion

123 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.2

1.2.170

Vulkan

1.3

-

6.5 (5.1)

Shader Model

6.7

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