GeForce 9400 GT and Radeon X1900 XT - video card comparison

GeForce 9400 GT

Radeon X1900 XT

Architecture

Tesla (2006−2010)

R500 (2005−2007)

GPU code name

G96C

R580

Market segment

Desktop

Desktop

Release date

August 2008

January 2006

Bus support

PCI-E 2.0

-

Interface

PCIe 2.0 x16

PCIe 1.0 x16

Supplementary power connectors

None

1x 6-pin

SLI options

+

-

Core clock speed

550 MHz

625 MHz

CUDA cores

16

-

Floating-point performance

29.376 gflops

-

Manufacturing process technology

55 nm

90 nm

Number of transistors

314 million

384 million

Pipelines / CUDA cores

16

-

Power consumption (TDP)

50 Watt

100 Watt

Maximum GPU temperature

105 °C

-

Texture fill rate

4.4 billion/sec

10.00

Memory type

DDR2

GDDR3

Maximum RAM amount

512 MB

256 MB

Memory bus width

128 Bit

256 Bit

Memory clock speed

400 MHz

1450 MBps

Memory bandwidth

12.8 GB/s

46.4 GB/s

Display Connectors

Dual Link DVI

2x DVI, 1x S-Video

Multi monitor support

+

-

HDMI

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

S/PDIF

-

DirectX

11.1 (10_0)

9.0c (9_3)

CUDA

+

-

OpenCL

1.1

N/A

OpenGL

2.1

2.1 (full) Shader Model4.03.0

Vulkan

N/A

N/A