NVIDIA GeForce 6800 vs AMD Radeon HD 6970

VS

NVIDIA GeForce 6800

AMD Radeon HD 6970

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

Main Differences

AMD Radeon HD 6970 's Advantages

Released 6 years and 1 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (176.0GB/s vs 19.20GB/s)

1536 additional rendering cores

Score

GeForce 6800

VS

Radeon HD 6970

Graphics Card

Nov 2004

Release Date

Dec 2010

GeForce 6 PCIe

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

300 MHz

Memory Clock

1375 MHz

Memory

256MB

Memory Size

2GB

DDR

Memory Type

GDDR5

256bit

Memory Bus

256bit

19.20GB/s

Bandwidth

176.0GB/s

Render Config

-

Compute Units

24

-

Shading Units

1536

12

TMUs

96

8

ROPs

32

-

L1 Cache

8 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

28.16 GPixel/s

3.900 GTexel/s

Texture Rate

84.48 GTexel/s

-

FP32 (float)

2.703 TFLOPS

-

FP64 (double)

675.8 GFLOPS

Board Design

Unknown

TDP

250W

200 W

Suggested PSU

600 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

NV41

GPU Name

Cayman

-

GPU Variant

Cayman XT (215-0807007)

Curie

Architecture

TeraScale 3

TSMC

Foundry

TSMC

130 nm

Process Size

40 nm

0.19 billion

Transistors

2.64 billion

225 mm²

Die Size

389 mm²

Graphics Features

9.0c (9_3)

DirectX

11.2 (11_0)

2.0 (full) 2.1 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

3.0

Shader Model

5.0

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