AMD Radeon Pro 460 vs AMD Radeon HD 6990M Rebrand

VS

AMD Radeon Pro 460

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 460 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 Pro 460 's Advantages

Released 5 years and 3 months late

Boost Clock907MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (81.28GB/s vs 70.40GB/s)

224 additional rendering cores

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon Pro 460 +45%

1.858 TFLOPS

Radeon HD 6990M Rebrand

1.28 TFLOPS

Radeon Pro 460

VS

Radeon HD 6990M Rebrand

Graphics Card

Oct 2016

Release Date

Jul 2011

Radeon Pro Mac

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

850 MHz

Base Clock

-

907 MHz

Boost Clock

-

1270 MHz

Memory Clock

1100 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

81.28GB/s

Bandwidth

70.40GB/s

Render Config

16

Compute Units

14

-

1024

Shading Units

800

64

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

12.80 GPixel/s

58.05 GTexel/s

Texture Rate

32.00 GTexel/s

1.858 TFLOPS

FP16 (half)

-

1.858 TFLOPS

FP32 (float)

1280 GFLOPS

116.1 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Baffin

GPU Name

Broadway

Baffin XT

GPU Variant

Broadway XTX

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

1.04 billion

123 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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