AMD Radeon HD 6990M Rebrand vs AMD Radeon R5 A230

VS

AMD Radeon HD 6990M Rebrand

AMD Radeon R5 A230

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 4GB VRAM Radeon R5 A230 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Larger VRAM bandwidth (70.40GB/s vs 16.00GB/s)

480 additional rendering cores

AMD Radeon R5 A230 's Advantages

Released 2 years and 6 months late

Boost Clock855MHz

More VRAM (4GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +134%

1.28 TFLOPS

Radeon R5 A230

0.547 TFLOPS

Radeon HD 6990M Rebrand

VS

Radeon R5 A230

Graphics Card

Jul 2011

Release Date

Jan 2014

Vancouver

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

855 MHz

1100 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

16.00GB/s

Render Config

14

Compute Units

5

-

800

Shading Units

320

40

TMUs

20

16

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

6.840 GPixel/s

32.00 GTexel/s

Texture Rate

17.10 GTexel/s

-

1280 GFLOPS

FP32 (float)

547.2 GFLOPS

-

FP64 (double)

34.20 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Broadway

GPU Name

Jet

Broadway XTX

GPU Variant

Jet PRO (216-0856040)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

0.69 billion

166 mm²

Die Size

56 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5 (5.1)

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