Radeon X1900 XTX and Radeon HD 8750A - video card comparison

Radeon X1900 XTX

Radeon HD 8750A

Architecture

R500 (2005−2007)

GCN 1.0 (2012−2020)

GPU code name

R580

Mars

Market segment

Desktop

Release date

January 2006

February 2013

Interface

PCIe 1.0 x16

MXM-A (3.0)

Supplementary power connectors

1x 6-pin

Core clock speed

650 MHz

600 MHz

Floating-point performance

460.8 gflops

Manufacturing process technology

90 nm

28 nm

Number of transistors

384 million

950 million

Pipelines / CUDA cores

384

Power consumption (TDP)

135 Watt

45 Watt

Texture fill rate

10.40

14.40

Memory type

GDDR3

DDR3

Maximum RAM amount

512 MB

1 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

1550 MBps

2000 MHz

Memory bandwidth

49.6 GB/s

16 GB/s

Display Connectors

2x DVI, 1x S-Video

No outputs

DirectX

9.0c (9_3)

12 (11_1)

OpenCL

N/A

1.2

OpenGL

2.1 (full) Shader Model

3.05.1

Vulkan

N/A

1.2.131