NVIDIA GeForce 9800 GX2 vs ATI Radeon HD 3870 AGP

VS

NVIDIA GeForce 9800 GX2

ATI Radeon HD 3870 AGP

We compared two Desktop platform GPUs: 512MB VRAM GeForce 9800 GX2 and 512MB VRAM Radeon HD 3870 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 AGP 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 64.00GB/s)

192 additional rendering cores

Lower TDP (106W vs 197W)

Score

Benchmark

FP32 (float)

GeForce 9800 GX2

0.384 TFLOPS

Radeon HD 3870 AGP +29%

0.497 TFLOPS

GeForce 9800 GX2

VS

Radeon HD 3870 AGP

Graphics Card

Mar 2008

Release Date

Unknown

GeForce 9

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1000 MHz

Memory Clock

1126 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR4

256bit

Memory Bus

256bit

64.00GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

16

SM Count

-

128

Shading Units

320

64

TMUs

16

ROPs

16

-

64 KB

L2 Cache

256 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

12.43 GPixel/s

38.40 GTexel/s

Texture Rate

12.43 GTexel/s

-

384.0 GFLOPS

FP32 (float)

497.3 GFLOPS

-

FP64 (double)

99.46 GFLOPS

Board Design

197W

TDP

106W

450 W

Suggested PSU

300 W

2x DVI 1x HDMI

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

G92

GPU Name

RV670

G92-450-A2

GPU Variant

RV670 XT (215-0708005)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.754 billion

Transistors

0.666 billion

324 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

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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