Radeon HD 7950 and GeForce GTX 275 - video card comparison
Passmark - benchmark score Radeon HD 7950 vs GeForce GTX 275
Radeon HD 7950
4907
GeForce GTX 275
1458
Radeon HD 7950
GeForce GTX 275
Architecture
GCN 1.0 (2012−2020)
Tesla 2.0 (2007−2013)
GPU code name
Tahiti
GT200B
Market segment
Desktop
Desktop
Release date
January 2012
January 2009
Bus support
PCIe 3.0 x16
PCI-E 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
2x 6-pin
SLI options
-
+
Boost clock speed
1250 MHz
-
Compute units
28
-
Core clock speed
-
633 MHz
CUDA cores
-
240
Floating-point performance
2,867 gflops
673.9 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
4,313 million
1,400 million
Pipelines / CUDA cores
1792
240
Power consumption (TDP)
200 Watt
219 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
89.60
50.6 billion/sec
Memory type
GDDR5
GDDR3
Maximum RAM amount
3 GB
896 MB
Memory bus width
384 Bit
448 Bit
Memory clock speed
1250 MHz
1134 MHz
Memory bandwidth
240 GB/s
127.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
Two Dual Link DVI
Multi monitor support
-
+
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
-
Maximum VGA resolution
-
2048x1536
DisplayPort support
-
-
Audio input for HDMI
-
S/PDIF
DirectX
DirectX® 11
11.1 (10_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
3.0
Shader Model
5.1
4.0
Vulkan
-
N/A
AppAcceleration
+
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
-
-
ZeroCore
+
-