GeForce GTX 285 Mac Edition and Radeon R7 M520 - video card comparison

GeForce GTX 285 Mac Edition

Radeon R7 M520

Architecture

Tesla 2.0 (2007−2013)

GCN 1.0 (2012−2020)

GPU code name

GT200B

Oland

Market segment

Desktop

Release date

January 2009

April 2017

Interface

PCIe 2.0 x16

PCIe 3.0 x8

Supplementary power connectors

2x 6-pin

None

Core clock speed

648 MHz

1030 MHz

Floating-point performance

708.5 gflops

659.2 gflops

Manufacturing process technology

55 nm

28 nm

Number of transistors

1,400 million

1,040 million

Pipelines / CUDA cores

240

320

Power consumption (TDP)

204 Watt

50 Watt

Texture fill rate

51.84

20.60

Memory type

GDDR3

DDR3

Maximum RAM amount

1 GB

2 GB

Memory bus width

512 Bit

64 Bit

Memory clock speed

2484 MHz

2000 MHz

Memory bandwidth

159.0 GB/s

16 GB/s

Display Connectors

2x DVI, 1x S-Video

1x DVI, 1x HDMI, 1x VGA

HDMI

DirectX

11.1 (10_0)

12.0

CUDA

1.3

OpenCL

1.1

1.2

OpenGL

3.3

4.6

Shader Model

4.0

5.0

Vulkan

N/A