GeForce GTS 450 and Radeon X1650 GT - video card comparison

GeForce GTS 450

Radeon X1650 GT

Architecture

Fermi (2010−2014)

R500 (2005−2007)

GPU code name

GF106

RV560

Market segment

Desktop

Desktop

Release date

September 2010

May 2007

Bus support

PCI-E 2.0 x 16

-

Interface

PCIe 2.0 x16

PCIe 1.0 x16

Supplementary power connectors

6-pin

None

SLI options

+

-

Core clock speed

783 MHz

400 MHz

CUDA cores

192

-

Floating-point performance

601.3 gflops

-

Manufacturing process technology

40 nm

80 nm

Number of transistors

1,170 million

330 million

Pipelines / CUDA cores

192

-

Power consumption (TDP)

106 Watt

-

Maximum GPU temperature

100 °C

-

Texture fill rate

25.1 billion/sec

3.200

Memory type

GDDR5

GDDR3

Maximum RAM amount

1 GB

128 MB

Memory bus width

128 Bit

128 Bit

Memory clock speed

1804 (3608 data rate) MHz

800 MHz

Memory bandwidth

57.7 GB/s

12.8 GB/s

Display Connectors

Mini HDMITwo Dual Link DVI

1x DVI, 1x VGA, 1x S-Video

HDMI

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

Internal

-

DirectX

12 (11_0)

9.0c (9_3)

CUDA

+

-

OpenCL

1.1

N/A

OpenGL

4.2

2.0

Shader Model

5.1

3.0

Vulkan

N/A

N/A