NVIDIA GeForce 8800 GTS 320 vs ATI Radeon HD 3830

VS

NVIDIA GeForce 8800 GTS 320

ATI Radeon HD 3830

We compared two Desktop platform GPUs: 320MB VRAM GeForce 8800 GTS 320 and 256MB VRAM Radeon HD 3830 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 26.50GB/s)

ATI Radeon HD 3830 's Advantages

Released 1 years and 2 months late

224 additional rendering cores

Lower TDP (75W vs 143W)

Score

Benchmark

FP32 (float)

GeForce 8800 GTS 320

0.228 TFLOPS

Radeon HD 3830 +87%

0.428 TFLOPS

GeForce 8800 GTS 320

VS

Radeon HD 3830

Graphics Card

Feb 2007

Release Date

Apr 2008

GeForce 8

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

792 MHz

Memory Clock

828 MHz

Memory

320MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

320bit

Memory Bus

128bit

63.36GB/s

Bandwidth

26.50GB/s

Render Config

-

Compute Units

4

12

SM Count

-

96

Shading Units

320

24

TMUs

16

20

ROPs

16

-

80 KB

L2 Cache

128 KB

-

Theoretical Performance

10.26 GPixel/s

Pixel Rate

10.69 GPixel/s

24.62 GTexel/s

Texture Rate

10.69 GTexel/s

-

228.1 GFLOPS

FP32 (float)

427.5 GFLOPS

-

FP64 (double)

85.50 GFLOPS

Board Design

143W

TDP

75W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

No outputs

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

G80

GPU Name

RV670

G80-100-K0-A2

GPU Variant

RV670 PRO (215-0708003)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

90 nm

Process Size

55 nm

0.681 billion

Transistors

0.666 billion

484 mm²

Die Size

192 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1 (1.0)

OpenCL

N/A

Vulkan

N/A

1.0

CUDA

-

4.0

Shader Model

4.1

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