AMD Radeon Pro 575 vs AMD Radeon HD 6990M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 575 and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 575 's Advantages

Released 5 years and 11 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (217.0GB/s vs 115.2GB/s)

928 additional rendering cores

AMD Radeon HD 6990M 's Advantages

Lower TDP (100W vs 150W)

Score

Benchmark

FP32 (float)

Radeon Pro 575 +180%

4.489 TFLOPS

Radeon HD 6990M

1.602 TFLOPS

Radeon Pro 575

VS

Radeon HD 6990M

Graphics Card

Jun 2017

Release Date

Jul 2011

Radeon Pro Mac

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1695 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

217.0GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

32

Compute Units

14

2048

Shading Units

1120

128

TMUs

56

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

35.07 GPixel/s

Pixel Rate

22.88 GPixel/s

140.3 GTexel/s

Texture Rate

40.04 GTexel/s

4.489 TFLOPS

FP16 (half)

-

4.489 TFLOPS

FP32 (float)

1.602 TFLOPS

280.6 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 20

GPU Name

Blackcomb

Polaris 20 XL (215-0910052)

GPU Variant

Blackcomb XTX (216-0811030)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

1.7 billion

232 mm²

Die Size

212 mm²

Board Design

150W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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