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Radeon HD 7950 and GeForce GTX 550 Ti - video card comparison


Passmark - benchmark score Radeon HD 7950 vs GeForce GTX 550 Ti

Radeon HD 7950
4907
GeForce GTX 550 Ti
1599

Radeon HD 7950

GeForce GTX 550 Ti


Architecture
GCN 1.0 (2012−2020)
Fermi (2010−2014)

GPU code name
Tahiti
GF116

Market segment
Desktop
Desktop

Release date
January 2012
March 2011

Bus support
PCIe 3.0 x16
16x PCI-E 2.0

Interface
PCIe 3.0 x16
PCIe 2.0 x16

Supplementary power connectors
2x 6-pin
One 6-pin

SLI options
-
+

Boost clock speed
1250 MHz
-

Compute units
28
-

Core clock speed
-
900 MHz

CUDA cores
-
192

Floating-point performance
2,867 gflops
691.2 gflops

Manufacturing process technology
28 nm
40 nm

Number of transistors
4,313 million
1,170 million

Pipelines / CUDA cores
1792
192

Power consumption (TDP)
200 Watt
116 Watt

Maximum GPU temperature
-
100 °C

Texture fill rate
89.60
28.8 billion/sec

Memory type
GDDR5
GDDR5

Maximum RAM amount
3 GB
2 GB

Memory bus width
384 Bit
192 Bit

Memory clock speed
1250 MHz
4.1 GB/s

Memory bandwidth
240 GB/s
98.4 GB/s

Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
Two Dual Link DVI-IMini HDMI

Multi monitor support
-
+

Eyefinity
1
-

Number of Eyefinity displays
6
-

HDMI
+
+

Maximum VGA resolution
-
2048x1536

DisplayPort support
-
-

Audio input for HDMI
-
Internal

DirectX
DirectX® 11
12 (11_0)

CUDA
-
+

Mantle
-
-

OpenCL
1.2
1.1

OpenGL
4.6
4.2

Shader Model
5.1
5.1

Vulkan
-
N/A

AppAcceleration
+
-

CrossFire
1
-

Enduro
-
-

FreeSync
1
-

HD3D
-
-

PowerTune
+
-

TrueAudio
-
-

ZeroCore
+
-