Radeon HD 6950 and GeForce GTX 275 - video card comparison
Passmark - benchmark score Radeon HD 6950 vs GeForce GTX 275
Radeon HD 6950
2693
GeForce GTX 275
1458
Radeon HD 6950
GeForce GTX 275
Architecture
TeraScale 3 (2010−2013)
Tesla 2.0 (2007−2013)
GPU code name
Cayman
GT200B
Market segment
Desktop
Desktop
Release date
December 2010
January 2009
Bus support
PCIe 2.0 x16
PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
2x 6-pin
SLI options
-
+
Boost clock speed
800 MHz
-
Core clock speed
-
633 MHz
CUDA cores
-
240
Floating-point performance
2,252.8 gflops
673.9 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
2,640 million
1,400 million
Pipelines / CUDA cores
1408
240
Power consumption (TDP)
500 Watt
219 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
70.40
50.6 billion/sec
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
896 MB
Memory bus width
256 Bit
448 Bit
Memory clock speed
1250 MHz
1134 MHz
Memory bandwidth
-
127.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
Two Dual Link DVI
Multi monitor support
-
+
Eyefinity
1
-
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
4.4
3.0
Shader Model
5.0
4.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-