AMD Radeon HD 6990M vs NVIDIA GeForce 8800M GTX

VS

AMD Radeon HD 6990M

NVIDIA GeForce 8800M GTX

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 512MB VRAM GeForce 8800M GTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Released 3 years and 8 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 51.20GB/s)

1024 additional rendering cores

NVIDIA GeForce 8800M GTX 's Advantages

Lower TDP (65W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +567%

1.602 TFLOPS

GeForce 8800M GTX

0.24 TFLOPS

Radeon HD 6990M

VS

GeForce 8800M GTX

Graphics Card

Jul 2011

Release Date

Nov 2007

Vancouver

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-HE

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

51.20GB/s

Render Config

14

Compute Units

-

SM Count

12

1120

Shading Units

96

56

TMUs

48

32

ROPs

16

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

8.000 GPixel/s

40.04 GTexel/s

Texture Rate

24.00 GTexel/s

-

1.602 TFLOPS

FP32 (float)

240.0 GFLOPS

-

Board Design

100W

TDP

65W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

G92

Blackcomb XTX (216-0811030)

GPU Variant

NB8E-GTX-A2

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

1.7 billion

Transistors

0.754 billion

212 mm²

Die Size

324 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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