ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GT 140 OEM

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce GT 140 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 1024MB VRAM GeForce GT 140 OEM 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 57.60GB/s)

256 additional rendering cores

NVIDIA GeForce GT 140 OEM 's Advantages

Released 9 months late

More VRAM (1024GB vs 512GB)

Lower TDP (105W vs 106W)

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition +138%

0.497 TFLOPS

GeForce GT 140 OEM

0.208 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce GT 140 OEM

Graphics Card

Jun 2008

Release Date

Mar 2009

Radeon R600

Generation

GeForce 100

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

1024MB

GDDR4

Memory Type

GDDR3

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

57.60GB/s

Render Config

4

Compute Units

-

SM Count

8

320

Shading Units

64

16

TMUs

32

16

ROPs

16

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

10.40 GPixel/s

12.43 GTexel/s

Texture Rate

20.80 GTexel/s

-

497.3 GFLOPS

FP32 (float)

208.0 GFLOPS

99.46 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

105W

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

G94B

RV670 XT (215-0708005)

GPU Variant

-

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.666 billion

Transistors

0.505 billion

192 mm²

Die Size

196 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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