AMD Radeon RX 7900M vs NVIDIA GeForce 945A

VS

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 8 years and 7 months late

Boost Clock has increased by 76% (2090MHz vs 1189MHz)

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (576.0GB/s vs 40.10GB/s)

4224 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Lower TDP (33W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +4119%

38.52 TFLOPS

GeForce 945A

0.913 TFLOPS

Radeon RX 7900M

VS

GeForce 945A

Graphics Card

Oct 2023

Release Date

Mar 2015

Navi Mobile

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1825 MHz

Base Clock

1006 MHz

2090 MHz

Boost Clock

1189 MHz

2250 MHz

Memory Clock

1253 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

40.10GB/s

Render Config

-

SM Count

-

72

Compute Units

-

4608

Shading Units

384

288

TMUs

24

192

ROPs

8

-

Tensor Cores

-

72

RT Cores

-

256 KB per Array

L1 Cache

64 KB (per SMM)

6 MB

L2 Cache

1024 KB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

9.512 GPixel/s

601.9 GTexel/s

Texture Rate

28.54 GTexel/s

77.05 TFLOPS

FP16 (half)

-

38.52 TFLOPS

FP32 (float)

913.2 GFLOPS

1204 GFLOPS

FP64 (double)

28.54 GFLOPS

Graphics Processor

Navi 31

GPU Name

GM108

Navi 31

GPU Variant

-

RDNA 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

Unknown

529 mm²

Die Size

Unknown

Board Design

180W

TDP

33W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

5.0

6.7

Shader Model

5.1

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