ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce 605 OEM

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce 605 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 512MB VRAM GeForce 605 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 14.35GB/s)

272 additional rendering cores

NVIDIA GeForce 605 OEM 's Advantages

Released 3 years and 10 months late

Lower TDP (25W vs 106W)

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition +397%

0.497 TFLOPS

GeForce 605 OEM

0.1 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce 605 OEM

Graphics Card

Jun 2008

Release Date

Apr 2012

Radeon R600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

897 MHz

Memory

512MB

Memory Size

512MB

GDDR4

Memory Type

DDR3

256bit

Memory Bus

64bit

72.06GB/s

Bandwidth

14.35GB/s

Render Config

4

Compute Units

-

SM Count

1

320

Shading Units

48

16

TMUs

8

16

ROPs

4

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

1.046 GPixel/s

12.43 GTexel/s

Texture Rate

4.184 GTexel/s

-

497.3 GFLOPS

FP32 (float)

100.4 GFLOPS

99.46 GFLOPS

FP64 (double)

8.368 GFLOPS

Board Design

106W

TDP

25W

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

GF119

RV670 XT (215-0708005)

GPU Variant

GF119-200-A1

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

0.292 billion

192 mm²

Die Size

79 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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