GeForce GTX 780M Mac Edition and Radeon X1800 GTO - video card comparison

GeForce GTX 780M Mac Edition

Radeon X1800 GTO

Architecture

Kepler (2012−2018)

R500 (2005−2007)

GPU code name

GK104

R520

Market segment

Desktop

Release date

November 2013

March 2006

Interface

MXM-B (3.0)

PCIe 1.0 x16

Supplementary power connectors

1x 6-pin

Boost clock speed

797 MHz

Core clock speed

771 MHz

500 MHz

Floating-point performance

2,448 gflops

Manufacturing process technology

28 nm

90 nm

Number of transistors

3,540 million

321 million

Pipelines / CUDA cores

1536

Power consumption (TDP)

122 Watt

48 Watt

Texture fill rate

102.0

6.000

Memory type

GDDR5

GDDR3

Maximum RAM amount

4 GB

256 MB

Memory bus width

256 Bit

Memory clock speed

5000 MHz

990 MHz

Memory bandwidth

160.0 GB/s

31.68 GB/s

Display Connectors

No outputs

2x DVI, 1x S-Video

DirectX

12 (11_0)

9.0c (9_3)

CUDA

3.0

OpenCL

1.2

N/A

OpenGL

4.6

2.0

Shader Model

5.1

3.0

Vulkan

1.1.126

N/A