AMD Radeon RX 7900M vs AMD Radeon R9 M290X

VS

AMD Radeon RX 7900M

AMD Radeon R9 M290X

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 4GB VRAM Radeon R9 M290X 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 132% (2090MHz vs 900MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 153.6GB/s)

3328 additional rendering cores

AMD Radeon R9 M290X 's Advantages

Lower TDP (100W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +1571%

38.52 TFLOPS

Radeon R9 M290X

2.304 TFLOPS

Radeon RX 7900M

VS

Radeon R9 M290X

Graphics Card

Oct 2023

Release Date

Jan 2014

Navi Mobile

Generation

Crystal System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

850 MHz

2090 MHz

Boost Clock

900 MHz

2250 MHz

Memory Clock

1200 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

153.6GB/s

Render Config

72

Compute Units

20

-

4608

Shading Units

1280

288

TMUs

80

192

ROPs

32

-

72

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

512 KB

64 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

28.80 GPixel/s

601.9 GTexel/s

Texture Rate

72.00 GTexel/s

77.05 TFLOPS

FP16 (half)

-

38.52 TFLOPS

FP32 (float)

2.304 TFLOPS

1204 GFLOPS

FP64 (double)

144.0 GFLOPS

Board Design

180W

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Neptune

Navi 31

GPU Variant

Neptune XT (216-0847000)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

2.8 billion

529 mm²

Die Size

212 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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