AMD Radeon HD 6990M Rebrand vs AMD Radeon Pro 570X

VS

AMD Radeon HD 6990M Rebrand

AMD Radeon Pro 570X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 4GB VRAM Radeon Pro 570X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Lower TDP (100W vs 150W)

AMD Radeon Pro 570X 's Advantages

Released 7 years and 8 months late

Boost Clock1105MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (217.6GB/s vs 70.40GB/s)

992 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand

1.28 TFLOPS

Radeon Pro 570X +209%

3.96 TFLOPS

Radeon HD 6990M Rebrand

VS

Radeon Pro 570X

Graphics Card

Jul 2011

Release Date

Mar 2019

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1105 MHz

1100 MHz

Memory Clock

1700 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

70.40GB/s

Bandwidth

217.6GB/s

Render Config

14

Compute Units

28

-

800

Shading Units

1792

40

TMUs

112

16

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

35.36 GPixel/s

32.00 GTexel/s

Texture Rate

123.8 GTexel/s

-

FP16 (half)

3.960 TFLOPS

1280 GFLOPS

FP32 (float)

3.960 TFLOPS

-

FP64 (double)

247.5 GFLOPS

Board Design

100W

TDP

150W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

Polaris 20

Broadway XTX

GPU Variant

Polaris 20

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.04 billion

Transistors

5.7 billion

166 mm²

Die Size

232 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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