NVIDIA GeForce 8800 GTS 320 vs ATI Radeon HD 2600 XT

VS

NVIDIA GeForce 8800 GTS 320

ATI Radeon HD 2600 XT

We compared two Desktop platform GPUs: 320MB VRAM GeForce 8800 GTS 320 and 256MB VRAM ATI Radeon HD 2600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 GTS 320 's Advantages

More VRAM (320GB vs 256GB)

Larger VRAM bandwidth (63.36GB/s vs 22.40GB/s)

ATI Radeon HD 2600 XT 's Advantages

24 additional rendering cores

Lower TDP (45W vs 143W)

Score

Benchmark

FP32 (float)

GeForce 8800 GTS 320 +18%

0.228 TFLOPS

ATI Radeon HD 2600 XT

0.192 TFLOPS

GeForce 8800 GTS 320

VS

ATI Radeon HD 2600 XT

Graphics Card

Feb 2007

Release Date

Jun 2007

GeForce 8

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

792 MHz

Memory Clock

700 MHz

Memory

320MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

320bit

Memory Bus

128bit

63.36GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

3

12

SM Count

-

96

Shading Units

120

24

TMUs

8

20

ROPs

4

-

80 KB

L2 Cache

64 KB

-

Theoretical Performance

10.26 GPixel/s

Pixel Rate

3.200 GPixel/s

24.62 GTexel/s

Texture Rate

6.400 GTexel/s

-

228.1 GFLOPS

FP32 (float)

192.0 GFLOPS

-

Board Design

143W

TDP

45W

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

G80

GPU Name

RV630

G80-100-K0-A2

GPU Variant

-

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

90 nm

Process Size

65 nm

0.681 billion

Transistors

0.39 billion

484 mm²

Die Size

153 mm²

Graphics Features

11.1 (10_0)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3

1.1 (1.0)

OpenCL

N/A

Vulkan

N/A

1.0

CUDA

-

4.0

Shader Model

4.0

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