GeForce GTS 450 and Radeon HD 4855 - video card comparison

GeForce GTS 450

Radeon HD 4855

Architecture

Fermi (2010−2014)

TeraScale (2005−2013)

GPU code name

GF106

RV770

Market segment

Desktop

Desktop

Release date

September 2010

January 2010

Bus support

PCI-E 2.0 x 16

-

Interface

PCIe 2.0 x16

PCIe 2.0 x16

Supplementary power connectors

6-pin

1x 6-pin

SLI options

+

-

Core clock speed

783 MHz

575 MHz

CUDA cores

192

-

Floating-point performance

601.3 gflops

736.0 gflops

Manufacturing process technology

40 nm

55 nm

Number of transistors

1,170 million

956 million

Pipelines / CUDA cores

192

640

Power consumption (TDP)

106 Watt

110 Watt

Maximum GPU temperature

100 °C

-

Texture fill rate

25.1 billion/sec

18.40

Memory type

GDDR5

GDDR5

Maximum RAM amount

1 GB

512 MB

Memory bus width

128 Bit

256 Bit

Memory clock speed

1804 (3608 data rate) MHz

3600 MHz

Memory bandwidth

57.7 GB/s

115.2 GB/s

Display Connectors

Mini HDMITwo Dual Link DVI

1x DVI, 1x HDMI, 1x VGA

HDMI

+

+

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

Internal

-

DirectX

12 (11_0)

10.1 (10_1)

CUDA

+

-

OpenCL

1.1

1.1

OpenGL

4.2

3.3

Shader Model

5.1

4.1

Vulkan

N/A

N/A