AMD Radeon RX Vega M GH vs AMD Radeon HD 6990M Rebrand

VS

AMD Radeon RX Vega M GH

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GH and 1024MB VRAM Radeon HD 6990M Rebrand 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 6 years and 7 months late

Boost Clock1190MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (204.8GB/s vs 70.40GB/s)

736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX Vega M GH +185%

3.656 TFLOPS

Radeon HD 6990M Rebrand

1.28 TFLOPS

Radeon RX Vega M GH

VS

Radeon HD 6990M Rebrand

Graphics Card

Feb 2018

Release Date

Jul 2011

Vega

Generation

Vancouver

Mobile

Type

Mobile

IGP

Bus Interface

MXM-B (3.0)

Clock Speeds

1063 MHz

Base Clock

-

1190 MHz

Boost Clock

-

800 MHz

Memory Clock

1100 MHz

Memory

4GB

Memory Size

1024MB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

128bit

204.8GB/s

Bandwidth

70.40GB/s

Render Config

24

Compute Units

14

-

1536

Shading Units

800

96

TMUs

40

64

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

76.16 GPixel/s

Pixel Rate

12.80 GPixel/s

114.2 GTexel/s

Texture Rate

32.00 GTexel/s

3.656 TFLOPS

FP16 (half)

-

3.656 TFLOPS

FP32 (float)

1280 GFLOPS

228.5 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Polaris 22

GPU Name

Broadway

VegaM XT (C7398773)

GPU Variant

Broadway XTX

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5 billion

Transistors

1.04 billion

208 mm²

Die Size

166 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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