ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce 8800 GT

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce 8800 GT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 512MB VRAM GeForce 8800 GT 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

Released 8 months late

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

208 additional rendering cores

Lower TDP (106W vs 125W)

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition +47%

0.497 TFLOPS

GeForce 8800 GT

0.336 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce 8800 GT

Graphics Card

Jun 2008

Release Date

Oct 2007

Radeon R600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

512MB

GDDR4

Memory Type

GDDR3

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

57.60GB/s

Render Config

4

Compute Units

-

SM Count

14

320

Shading Units

112

16

TMUs

56

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

33.60 GTexel/s

-

497.3 GFLOPS

FP32 (float)

336.0 GFLOPS

99.46 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

125W

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

RV670

GPU Name

G92

RV670 XT (215-0708005)

GPU Variant

G92-270-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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