AMD Radeon RX 7800M vs NVIDIA GeForce GT 620M

VS

AMD Radeon RX 7800M

NVIDIA GeForce GT 620M

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 1024MB VRAM GeForce GT 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 12 years and 1 months late

Boost Clock2145MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432GB/s vs 28.80GB/s)

3744 additional rendering cores

NVIDIA GeForce GT 620M 's Advantages

Lower TDP (15W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7800M +14077%

35.87 TFLOPS

GeForce GT 620M

0.253 TFLOPS

Radeon RX 7800M

VS

GeForce GT 620M

Graphics Card

Sep 2024

Release Date

Aug 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

-

2145 MHz

Boost Clock

-

2250 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

128bit

432GB/s

Bandwidth

28.80GB/s

Render Config

60

Compute Units

-

SM Count

2

3840

Shading Units

96

240

TMUs

16

96

ROPs

4

-

60

RT Cores

-

256 KB per Array

L1 Cache

64 KB (per SM)

6 MB

L2 Cache

256 KB

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

2.640 GPixel/s

560.4 GTexel/s

Texture Rate

10.56 GTexel/s

71.73 TFLOPS

FP16 (half)

-

35.87 TFLOPS

FP32 (float)

253.4 GFLOPS

1121 GFLOPS

FP64 (double)

21.12 GFLOPS

Board Design

180W

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 32

GPU Name

GF108

Navi 32

GPU Variant

N13P-GLP-A1

RDNA 3.0

Architecture

Fermi

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

28.1 billion

Transistors

0.585 billion

529 mm²

Die Size

116 mm²

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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