AMD Radeon HD 6970 vs NVIDIA GeForce 6800 GS

VS

AMD Radeon HD 6970

NVIDIA GeForce 6800 GS

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 256MB VRAM GeForce 6800 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages

Released 5 years and 1 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (176.0GB/s vs 32.00GB/s)

1536 additional rendering cores

Score

Radeon HD 6970

VS

GeForce 6800 GS

Graphics Card

Dec 2010

Release Date

Nov 2005

Northern Islands

Generation

GeForce 6 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

32.00GB/s

Render Config

24

Compute Units

-

1536

Shading Units

-

96

TMUs

12

32

ROPs

8

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

3.400 GPixel/s

84.48 GTexel/s

Texture Rate

5.100 GTexel/s

-

2.703 TFLOPS

FP32 (float)

-

675.8 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

Unknown

600 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Cayman

GPU Name

NV41

Cayman XT (215-0807007)

GPU Variant

-

TeraScale 3

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

130 nm

2.64 billion

Transistors

0.19 billion

389 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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