NVIDIA GeForce 620M vs AMD Radeon RX 7900M

VS

NVIDIA GeForce 620M

AMD Radeon RX 7900M

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

Main Differences

NVIDIA GeForce 620M 's Advantages

Lower TDP (15W vs 180W)

AMD Radeon RX 7900M 's Advantages

Released 11 years and 7 months late

Boost Clock2090MHz

More VRAM (16GB vs 1024GB)

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

4512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 620M

0.24 TFLOPS

Radeon RX 7900M +15950%

38.52 TFLOPS

GeForce 620M

VS

Radeon RX 7900M

Graphics Card

Mar 2012

Release Date

Oct 2023

GeForce 600M

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2090 MHz

900 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

16GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

576.0GB/s

Render Config

-

Compute Units

72

2

SM Count

-

96

Shading Units

4608

16

TMUs

288

8

ROPs

192

-

RT Cores

72

64 KB (per SM)

L1 Cache

256 KB per Array

128 KB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

401.3 GPixel/s

10.00 GTexel/s

Texture Rate

601.9 GTexel/s

-

FP16 (half)

77.05 TFLOPS

240.0 GFLOPS

FP32 (float)

38.52 TFLOPS

20.00 GFLOPS

FP64 (double)

1204 GFLOPS

Board Design

15W

TDP

180W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GF117

GPU Name

Navi 31

N13P-GLP

GPU Variant

Navi 31

Fermi 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

0.585 billion

Transistors

57.7 billion

116 mm²

Die Size

529 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

2.2

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.7

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