AMD Radeon RX Vega M GH vs NVIDIA GeForce GT 420M

VS

AMD Radeon RX Vega M GH

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GH 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 Vega M GH 's Advantages

Released 7 years and 5 months late

Boost Clock1190MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (204.8GB/s vs 25.60GB/s)

1440 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX Vega M GH +1804%

3.656 TFLOPS

GeForce GT 420M

0.192 TFLOPS

Radeon RX Vega M GH

VS

GeForce GT 420M

Graphics Card

Feb 2018

Release Date

Sep 2010

Vega

Generation

GeForce 400M

Mobile

Type

Mobile

IGP

Bus Interface

PCIe 2.0 x16

Clock Speeds

1063 MHz

Base Clock

-

1190 MHz

Boost Clock

-

800 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

HBM2

Memory Type

DDR3

1024bit

Memory Bus

128bit

204.8GB/s

Bandwidth

25.60GB/s

Render Config

24

Compute Units

-

SM Count

2

1536

Shading Units

96

TMUs

16

64

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

76.16 GPixel/s

Pixel Rate

2.000 GPixel/s

114.2 GTexel/s

Texture Rate

8.000 GTexel/s

3.656 TFLOPS

FP16 (half)

-

3.656 TFLOPS

FP32 (float)

192.0 GFLOPS

228.5 GFLOPS

FP64 (double)

16.00 GFLOPS

Board Design

100W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Polaris 22

GPU Name

GF108

VegaM XT (C7398773)

GPU Variant

N11P-GE-A1

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5 billion

Transistors

0.585 billion

208 mm²

Die Size

116 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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