NVIDIA GeForce 620M vs AMD Radeon RX 6450M

VS

NVIDIA GeForce 620M

AMD Radeon RX 6450M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 620M and 4GB VRAM Radeon RX 6450M 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 50W)

AMD Radeon RX 6450M 's Advantages

Released 10 years and 10 months late

Boost Clock2460MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 14.40GB/s)

672 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 620M

0.24 TFLOPS

Radeon RX 6450M +1474%

3.779 TFLOPS

GeForce 620M

VS

Radeon RX 6450M

Graphics Card

Mar 2012

Release Date

Jan 2023

GeForce 600M

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2000 MHz

-

Boost Clock

2460 MHz

900 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

2

SM Count

-

96

Shading Units

768

16

TMUs

48

8

ROPs

32

-

RT Cores

12

64 KB (per SM)

L1 Cache

128 KB per Array

128 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

78.72 GPixel/s

10.00 GTexel/s

Texture Rate

118.1 GTexel/s

-

FP16 (half)

7.557 TFLOPS

240.0 GFLOPS

FP32 (float)

3.779 TFLOPS

20.00 GFLOPS

FP64 (double)

236.2 GFLOPS

Board Design

15W

TDP

50W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GF117

GPU Name

Navi 24

N13P-GLP

GPU Variant

Navi 24 XML

Fermi 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

0.585 billion

Transistors

5.4 billion

116 mm²

Die Size

107 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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