AMD Radeon RX Vega M GH vs NVIDIA GeForce 820M

VS

AMD Radeon RX Vega M GH

NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GH and 2GB VRAM GeForce 820M 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 2 years and 11 months late

Boost Clock1190MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (204.8GB/s vs 28.83GB/s)

1152 additional rendering cores

NVIDIA GeForce 820M 's Advantages

Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX Vega M GH +487%

3.656 TFLOPS

GeForce 820M

0.622 TFLOPS

Radeon RX Vega M GH

VS

GeForce 820M

Graphics Card

Feb 2018

Release Date

Mar 2015

Vega

Generation

GeForce 800M

Mobile

Type

Mobile

IGP

Bus Interface

PCIe 3.0 x16

Clock Speeds

1063 MHz

Base Clock

-

1190 MHz

Boost Clock

-

800 MHz

Memory Clock

901 MHz

Memory

4GB

Memory Size

2GB

HBM2

Memory Type

DDR3

1024bit

Memory Bus

128bit

204.8GB/s

Bandwidth

28.83GB/s

Render Config

24

Compute Units

-

1536

Shading Units

384

96

TMUs

32

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

76.16 GPixel/s

Pixel Rate

6.480 GPixel/s

114.2 GTexel/s

Texture Rate

25.92 GTexel/s

3.656 TFLOPS

FP16 (half)

-

3.656 TFLOPS

FP32 (float)

622.1 GFLOPS

228.5 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

100W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Polaris 22

GPU Name

GK107

VegaM XT (C7398773)

GPU Variant

-

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5 billion

Transistors

1.27 billion

208 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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