AMD Radeon HD 6990M Rebrand vs AMD Radeon HD 8730M

VS

AMD Radeon HD 6990M Rebrand

AMD Radeon HD 8730M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 2GB VRAM Radeon HD 8730M 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 28.80GB/s)

416 additional rendering cores

AMD Radeon HD 8730M 's Advantages

Released 1 years and 9 months late

Boost Clock700MHz

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +138%

1.28 TFLOPS

Radeon HD 8730M

0.537 TFLOPS

Radeon HD 6990M Rebrand

VS

Radeon HD 8730M

Graphics Card

Jul 2011

Release Date

Apr 2013

Vancouver

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

650 MHz

-

Boost Clock

700 MHz

1100 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

70.40GB/s

Bandwidth

28.80GB/s

Render Config

14

Compute Units

6

-

800

Shading Units

384

40

TMUs

24

16

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

5.600 GPixel/s

32.00 GTexel/s

Texture Rate

16.80 GTexel/s

-

1280 GFLOPS

FP32 (float)

537.6 GFLOPS

-

FP64 (double)

33.60 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Broadway

GPU Name

Mars

Broadway XTX

GPU Variant

Mars S3 PRO (216-0842027)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

0.95 billion

166 mm²

Die Size

77 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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