NVIDIA GeForce 8800 Ultra vs AMD Radeon HD 6970 X2

VS

NVIDIA GeForce 8800 Ultra

AMD Radeon HD 6970 X2

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 Ultra 's Advantages

Lower TDP (171W vs 375W)

AMD Radeon HD 6970 X2 's Advantages

More VRAM (2GB vs 768GB)

Larger VRAM bandwidth (176.0GB/s vs 103.7GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra

0.387 TFLOPS

Radeon HD 6970 X2 +598%

2.703 TFLOPS

GeForce 8800 Ultra

VS

Radeon HD 6970 X2

Graphics Card

May 2007

Release Date

Unknown

GeForce 8

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1080 MHz

Memory Clock

1375 MHz

Memory

768MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

384bit

Memory Bus

256bit

103.7GB/s

Bandwidth

176.0GB/s

Render Config

-

Compute Units

24

16

SM Count

-

128

Shading Units

1536

32

TMUs

96

24

ROPs

32

-

L1 Cache

8 KB (per CU)

96 KB

L2 Cache

512 KB

-

Theoretical Performance

14.69 GPixel/s

Pixel Rate

28.16 GPixel/s

39.17 GTexel/s

Texture Rate

84.48 GTexel/s

-

387.1 GFLOPS

FP32 (float)

2.703 TFLOPS

-

Board Design

171W

TDP

375W

450 W

Suggested PSU

750 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

3x 8-pin

Graphics Processor

G80

GPU Name

Antilles

G80-450-A3

GPU Variant

Antilles XT (215-0807027)

Tesla

Architecture

TeraScale 3

TSMC

Foundry

TSMC

90 nm

Process Size

40 nm

0.681 billion

Transistors

2.64 billion

484 mm²

Die Size

389 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1 (1.0)

OpenCL

1.2

N/A

Vulkan

N/A

1.0

CUDA

-

4.0

Shader Model

5.0

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