NVIDIA GeForce 9800 GT vs ATI Radeon HD 3870

VS

NVIDIA GeForce 9800 GT

ATI Radeon HD 3870

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

Main Differences

NVIDIA GeForce 9800 GT 's Advantages

Released 8 months late

ATI Radeon HD 3870 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 57.60GB/s)

208 additional rendering cores

Lower TDP (106W vs 125W)

Score

Benchmark

FP32 (float)

GeForce 9800 GT

0.336 TFLOPS

Radeon HD 3870 +47%

0.497 TFLOPS

GeForce 9800 GT

VS

Radeon HD 3870

Graphics Card

Jul 2008

Release Date

Nov 2007

GeForce 9

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1126 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR4

256bit

Memory Bus

256bit

57.60GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

14

SM Count

-

112

Shading Units

320

56

TMUs

16

ROPs

16

-

64 KB

L2 Cache

256 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

12.43 GPixel/s

33.60 GTexel/s

Texture Rate

12.43 GTexel/s

-

336.0 GFLOPS

FP32 (float)

497.3 GFLOPS

-

FP64 (double)

99.46 GFLOPS

Board Design

125W

TDP

106W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

G92B

GPU Name

RV670

G92-280-B1

GPU Variant

RV670 XT (215-0708005)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.754 billion

Transistors

0.666 billion

260 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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