AMD Radeon RX 7900M vs NVIDIA GeForce 620M

VS

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 1024MB VRAM GeForce 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 11 years and 7 months late

Boost Clock2090MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (576.0GB/s vs 14.40GB/s)

4512 additional rendering cores

NVIDIA GeForce 620M 's Advantages

Lower TDP (15W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +15950%

38.52 TFLOPS

GeForce 620M

0.24 TFLOPS

Radeon RX 7900M

VS

GeForce 620M

Graphics Card

Oct 2023

Release Date

Mar 2012

Navi Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2090 MHz

Boost Clock

-

2250 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

72

Compute Units

-

4608

Shading Units

96

288

TMUs

16

192

ROPs

8

-

Tensor Cores

-

72

RT Cores

-

256 KB per Array

L1 Cache

64 KB (per SM)

6 MB

L2 Cache

128 KB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

2.500 GPixel/s

601.9 GTexel/s

Texture Rate

10.00 GTexel/s

77.05 TFLOPS

FP16 (half)

-

38.52 TFLOPS

FP32 (float)

240.0 GFLOPS

1204 GFLOPS

FP64 (double)

20.00 GFLOPS

Graphics Processor

Navi 31

GPU Name

GF117

Navi 31

GPU Variant

N13P-GLP

RDNA 3.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

0.585 billion

529 mm²

Die Size

116 mm²

Board Design

180W

TDP

15W

-

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

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.7

Shader Model

5.1

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