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GeForce 7950 GX2 and Radeon HD 6450 - video card comparison


Passmark - benchmark score GeForce 7950 GX2 vs Radeon HD 6450

GeForce 7950 GX2
207
Radeon HD 6450
203

GeForce 7950 GX2

Radeon HD 6450


Architecture
Curie (2003−2013)
TeraScale 2 (2009−2015)

GPU code name
G71
Caicos

Market segment
Desktop
Desktop

Release date
June 2006
April 2011

Bus support
-
PCIe 2.0 x8

Interface
PCIe 1.0 x16
PCIe 2.0 x16

Supplementary power connectors
1x 6-pin
None

Boost clock speed
-
750 MHz

Core clock speed
500 MHz
-

Floating-point performance
-
200.0 gflops

Manufacturing process technology
90 nm
40 nm

Number of transistors
278 million
370 million

Pipelines / CUDA cores
-
160

Power consumption (TDP)
110 Watt
30 Watt

Texture fill rate
12.00
5.000

Memory type
GDDR3
GDDR5

Maximum RAM amount
512 MB
1 GB

Memory bus width
256 Bit
64 Bit

Memory clock speed
1200 MHz
800 MHz

Memory bandwidth
38.4 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
9.0c (9_3)
DirectX® 11

Mantle
-
-

OpenCL
N/A
1.2

OpenGL
2.1
4.4

Shader Model
3.0
5.0

Vulkan
N/A
-

AppAcceleration
-
-

CrossFire
-
1

Enduro
-
-

HD3D
-
-

PowerTune
-
-

TrueAudio
-
-

ZeroCore
-
-