AMD Radeon HD 7970 vs NVIDIA GeForce 6800 GS

VS

AMD Radeon HD 7970

NVIDIA GeForce 6800 GS

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 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 7970 's Advantages

Released 6 years and 1 months late

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (264.0GB/s vs 32.00GB/s)

2048 additional rendering cores

Score

Radeon HD 7970

VS

GeForce 6800 GS

Graphics Card

Dec 2011

Release Date

Nov 2005

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

500 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

32.00GB/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

3.400 GPixel/s

118.4 GTexel/s

Texture Rate

5.100 GTexel/s

-

3.789 TFLOPS

FP32 (float)

-

947.2 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

Unknown

600 W

Suggested PSU

200 W

1x 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

Tahiti

GPU Name

NV41

Tahiti XT (215-0821060)

GPU Variant

-

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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