NVIDIA GeForce 505 OEM vs ATI Radeon HD 3870 Mac Edition

VS

NVIDIA GeForce 505 OEM

ATI Radeon HD 3870 Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM GeForce 505 OEM and 512MB VRAM Radeon HD 3870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 505 OEM 's Advantages

Released 4 years and 7 months late

Lower TDP (25W vs 106W)

ATI Radeon HD 3870 Mac Edition 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 9.600GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 505 OEM

0.045 TFLOPS

Radeon HD 3870 Mac Edition +1004%

0.497 TFLOPS

GeForce 505 OEM

VS

Radeon HD 3870 Mac Edition

Graphics Card

Jan 2013

Release Date

Jun 2008

GeForce 500

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

600 MHz

Memory Clock

1126 MHz

Memory

512MB

Memory Size

512MB

DDR3

Memory Type

GDDR4

64bit

Memory Bus

256bit

9.600GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

2

SM Count

-

16

Shading Units

320

8

TMUs

16

4

ROPs

16

-

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.356 GPixel/s

Pixel Rate

12.43 GPixel/s

4.712 GTexel/s

Texture Rate

12.43 GTexel/s

-

44.86 GFLOPS

FP32 (float)

497.3 GFLOPS

-

FP64 (double)

99.46 GFLOPS

Board Design

25W

TDP

106W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

GT218

GPU Name

RV670

GT218-300-B1

GPU Variant

RV670 XT (215-0708005)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.26 billion

Transistors

0.666 billion

57 mm²

Die Size

192 mm²

Graphics Features

11.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

4.1

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