AMD Radeon RX 6500M vs NVIDIA GeForce GT 420M

VS

AMD Radeon RX 6500M

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6500M and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6500M 's Advantages

Released 11 years and 4 months late

Boost Clock2400MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (144.0GB/s vs 25.60GB/s)

928 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 6500M +2459%

4.915 TFLOPS

GeForce GT 420M

0.192 TFLOPS

Radeon RX 6500M

VS

GeForce GT 420M

Graphics Card

Jan 2022

Release Date

Sep 2010

Mobility Radeon

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

2000 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2250 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

64bit

Memory Bus

128bit

144.0GB/s

Bandwidth

25.60GB/s

Render Config

16

Compute Units

-

SM Count

2

1024

Shading Units

96

64

TMUs

16

32

ROPs

4

-

16

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

256 KB

16 MB

L3 Cache

-

Theoretical Performance

76.80 GPixel/s

Pixel Rate

2.000 GPixel/s

153.6 GTexel/s

Texture Rate

8.000 GTexel/s

9.830 TFLOPS

FP16 (half)

-

4.915 TFLOPS

FP32 (float)

192.0 GFLOPS

307.2 GFLOPS

FP64 (double)

16.00 GFLOPS

Board Design

50W

TDP

23W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 24

GPU Name

GF108

Navi 24 XM

GPU Variant

N11P-GE-A1

RDNA 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

0.585 billion

107 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

6.6

Shader Model

5.1

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