AMD Radeon HD 8750A vs AMD Radeon HD 6990M Rebrand

VS

AMD Radeon HD 8750A AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8750A 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 HD 8750A 's Advantages

Released 1 years and 7 months late

Lower TDP (45W vs 100W)

AMD Radeon HD 6990M Rebrand 's Advantages

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

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8750A

0.461 TFLOPS

Radeon HD 6990M Rebrand +177%

1.28 TFLOPS

Radeon HD 8750A

VS

Radeon HD 6990M Rebrand

Graphics Card

Feb 2013

Release Date

Jul 2011

All-In-One

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

1100 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

70.40GB/s

Render Config

-

SM Count

-

6

Compute Units

14

384

Shading Units

800

24

TMUs

40

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

4.800 GPixel/s

Pixel Rate

12.80 GPixel/s

14.40 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

-

460.8 GFLOPS

FP32 (float)

1280 GFLOPS

28.80 GFLOPS

FP64 (double)

-

Graphics Processor

Mars

GPU Name

Broadway

Mars XT

GPU Variant

Broadway XTX

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

1.04 billion

77 mm²

Die Size

166 mm²

Board Design

45W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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