AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce 8700M GT

VS

AMD Radeon HD 6990M Rebrand

NVIDIA GeForce 8700M GT

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 512MB VRAM GeForce 8700M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Released 4 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (70.40GB/s vs 25.60GB/s)

768 additional rendering cores

NVIDIA GeForce 8700M GT 's Advantages

Lower TDP (29W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +1500%

1.28 TFLOPS

GeForce 8700M GT

0.08 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce 8700M GT

Graphics Card

Jul 2011

Release Date

Jun 2007

Vancouver

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-HE

Clock Speeds

-

1100 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

70.40GB/s

Bandwidth

25.60GB/s

Render Config

14

Compute Units

-

SM Count

4

800

Shading Units

32

40

TMUs

16

ROPs

8

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

5.000 GPixel/s

32.00 GTexel/s

Texture Rate

10.00 GTexel/s

-

1280 GFLOPS

FP32 (float)

80.00 GFLOPS

-

Board Design

100W

TDP

29W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

G84

Broadway XTX

GPU Variant

NB8E-SE

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.04 billion

Transistors

0.289 billion

166 mm²

Die Size

169 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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