AMD Radeon HD 6990M vs NVIDIA GeForce Go 6800 Ultra

VS

AMD Radeon HD 6990M

NVIDIA GeForce Go 6800 Ultra

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 256MB VRAM GeForce Go 6800 Ultra to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Released 6 years and 5 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 38.40GB/s)

1120 additional rendering cores

NVIDIA GeForce Go 6800 Ultra 's Advantages

Lower TDP (89W vs 100W)

Score

Radeon HD 6990M

VS

GeForce Go 6800 Ultra

Graphics Card

Jul 2011

Release Date

Feb 2005

Vancouver

Generation

GeForce Go 6

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

900 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

38.40GB/s

Render Config

14

Compute Units

-

1120

Shading Units

-

56

TMUs

12

32

ROPs

8

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

3.600 GPixel/s

40.04 GTexel/s

Texture Rate

5.400 GTexel/s

-

1.602 TFLOPS

FP32 (float)

-

Board Design

100W

TDP

89W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

NV41

Blackcomb XTX (216-0811030)

GPU Variant

GO6800 U

TeraScale 2

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

130 nm

1.7 billion

Transistors

0.19 billion

212 mm²

Die Size

225 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.0 (full) 2.1 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

3.0

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