Radeon HD 4890 and GeForce GTX 750 GM206 - video card comparison

Radeon HD 4890

GeForce GTX 750 GM206

Architecture

TeraScale (2005−2013)

Maxwell 2.0 (2015−2019)

GPU code name

RV790

GM206

Market segment

Desktop

Release date

April 2009

November 2015

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

Boost clock speed

1239 MHz

Core clock speed

850 MHz

Floating-point performance

1,360.0 gflops

Manufacturing process technology

55 nm

28 nm

Number of transistors

959 million

2,940 million

Pipelines / CUDA cores

800

512

Power consumption (TDP)

190 Watt

Texture fill rate

34.00

39.65

Memory type

GDDR5

Maximum RAM amount

1 GB

2 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

3900 MHz

5012 MHz

Memory bandwidth

124.8 GB/s

80.19 GB/s

Display Connectors

2x DVI, 1x S-Video

2x DVI, 1x HDMI

HDMI

DirectX

10.1 (10_1)

12 (12_1)

CUDA

5.2

OpenCL

1.1

1.2

OpenGL

3.3

4.6

Shader Model

4.1

6.4

Vulkan

N/A

1.1.126