ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce 9800 GX2

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce 9800 GX2

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

Main Differences

ATI Radeon HD 3870 Mac Edition '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)

Radeon HD 3870 Mac Edition +29%

0.497 TFLOPS

GeForce 9800 GX2

0.384 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce 9800 GX2

Graphics Card

Jun 2008

Release Date

Mar 2008

Radeon R600

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

512MB

GDDR4

Memory Type

GDDR3

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

64.00GB/s

Render Config

4

Compute Units

-

SM Count

16

320

Shading Units

128

16

TMUs

64

16

ROPs

16

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

9.600 GPixel/s

12.43 GTexel/s

Texture Rate

38.40 GTexel/s

-

497.3 GFLOPS

FP32 (float)

384.0 GFLOPS

99.46 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

197W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x HDMI

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV670

GPU Name

G92

RV670 XT (215-0708005)

GPU Variant

G92-450-A2

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.666 billion

Transistors

0.754 billion

192 mm²

Die Size

324 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.1

Shader Model

4.0

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