AMD Radeon HD 7970 X2 vs NVIDIA GeForce 6800

VS

AMD Radeon HD 7970 X2

NVIDIA GeForce 6800

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 256MB VRAM GeForce 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages

Released 7 years and 9 months late

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (264.0GB/s vs 19.20GB/s)

2048 additional rendering cores

Score

Radeon HD 7970 X2

VS

GeForce 6800

Graphics Card

Aug 2012

Release Date

Nov 2004

Southern Islands

Generation

GeForce 6 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

300 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

DDR

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

19.20GB/s

Render Config

32

Compute Units

-

2048

Shading Units

-

128

TMUs

12

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

2.600 GPixel/s

118.4 GTexel/s

Texture Rate

3.900 GTexel/s

-

3.789 TFLOPS

FP32 (float)

-

947.2 GFLOPS

FP64 (double)

-

Board Design

500W

TDP

Unknown

900 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

3x 8-pin

Power Connectors

None

Graphics Processor

New Zealand

GPU Name

NV41

-

GCN 1.0

Architecture

Curie

TSMC

Foundry

TSMC

28 nm

Process Size

130 nm

4.313 billion

Transistors

0.19 billion

352 mm²

Die Size

225 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.0 (full) 2.1 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

3.0

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