AMD Radeon HD 6990M vs AMD Radeon Pro 560

VS

AMD Radeon HD 6990M

AMD Radeon Pro 560

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 4GB VRAM Radeon Pro 560 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 81.28GB/s)

96 additional rendering cores

AMD Radeon Pro 560 's Advantages

Released 5 years and 9 months late

More VRAM (4GB vs 2GB)

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M

1.602 TFLOPS

Radeon Pro 560 +15%

1.858 TFLOPS

Radeon HD 6990M

VS

Radeon Pro 560

Graphics Card

Jul 2011

Release Date

Apr 2017

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

900 MHz

Memory Clock

1270 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

81.28GB/s

Render Config

14

Compute Units

16

-

1120

Shading Units

1024

56

TMUs

64

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

14.51 GPixel/s

40.04 GTexel/s

Texture Rate

58.05 GTexel/s

-

FP16 (half)

1.858 TFLOPS

1.602 TFLOPS

FP32 (float)

1.858 TFLOPS

-

FP64 (double)

116.1 GFLOPS

Board Design

100W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

Polaris 21

Blackcomb XTX (216-0811030)

GPU Variant

Polaris 21 XT (215-0908004)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

3 billion

212 mm²

Die Size

123 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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