Logo

GeForce 8800 GTX and Radeon HD 6450 - video card comparison


Passmark - benchmark score GeForce 8800 GTX vs Radeon HD 6450

GeForce 8800 GTX
608
Radeon HD 6450
203

GeForce 8800 GTX

Radeon HD 6450


Architecture
Tesla (2006−2010)
TeraScale 2 (2009−2015)

GPU code name
G80
Caicos

Market segment
Desktop
Desktop

Release date
November 2006
April 2011

Bus support
-
PCIe 2.0 x8

Interface
PCIe 1.0 x16
PCIe 2.0 x16

Supplementary power connectors
2x 6-pin
None

SLI options
+
-

Boost clock speed
-
750 MHz

Core clock speed
576 MHz
-

CUDA cores
575
-

Floating-point performance
345.6 gflops
200.0 gflops

Manufacturing process technology
90 nm
40 nm

Number of transistors
681 million
370 million

Pipelines / CUDA cores
128
160

Power consumption (TDP)
155 Watt
30 Watt

Texture fill rate
36.8 billion/sec
5.000

Memory type
GDDR3
GDDR5

Maximum RAM amount
768 MB
1 GB

Memory bus width
384 Bit
64 Bit

Memory clock speed
900 MHz
800 MHz

Memory bandwidth
86.4 GB/s
25.6 GB/s

Memory bandwidth
-
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)

Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA

Eyefinity
-
1

Number of Eyefinity displays
-
4

HDMI
-
+

DisplayPort support
-
+

DirectX
11.1 (10_0)
DirectX® 11

CUDA
+
-

Mantle
-
-

OpenCL
1.1
1.2

OpenGL
3.3
4.4

Shader Model
4.0
5.0

Vulkan
N/A
-

AppAcceleration
-
-

CrossFire
-
1

Enduro
-
-

HD3D
-
-

PowerTune
-
-

TrueAudio
-
-

ZeroCore
-
-