NVIDIA GeForce 8800 Ultra vs ATI Radeon HD 4670 X2

VS

NVIDIA GeForce 8800 Ultra

ATI Radeon HD 4670 X2

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 512MB VRAM Radeon HD 4670 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 Ultra 's Advantages

More VRAM (768GB vs 512GB)

Larger VRAM bandwidth (103.7GB/s vs 22.40GB/s)

ATI Radeon HD 4670 X2 's Advantages

Released 1 years and 4 months late

192 additional rendering cores

Lower TDP (118W vs 171W)

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra

0.387 TFLOPS

Radeon HD 4670 X2 +24%

0.48 TFLOPS

GeForce 8800 Ultra

VS

Radeon HD 4670 X2

Graphics Card

May 2007

Release Date

Sep 2008

GeForce 8

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1080 MHz

Memory Clock

700 MHz

Memory

768MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

384bit

Memory Bus

128bit

103.7GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

4

16

SM Count

-

128

Shading Units

320

32

TMUs

32

24

ROPs

8

-

L1 Cache

16 KB (per CU)

96 KB

L2 Cache

128 KB

-

Theoretical Performance

14.69 GPixel/s

Pixel Rate

6.000 GPixel/s

39.17 GTexel/s

Texture Rate

24.00 GTexel/s

-

387.1 GFLOPS

FP32 (float)

480.0 GFLOPS

-

Board Design

171W

TDP

118W

450 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

4x DVI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

G80

GPU Name

RV730

G80-450-A3

GPU Variant

RV730 XT (215-0719047)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

90 nm

Process Size

55 nm

0.681 billion

Transistors

0.514 billion

484 mm²

Die Size

146 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1 (1.0)

OpenCL

1.1

N/A

Vulkan

N/A

1.0

CUDA

-

4.0

Shader Model

4.1

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