GeForce GTX 580 and Radeon HD 6950 - video card comparison
Passmark - benchmark score GeForce GTX 580 vs Radeon HD 6950
GeForce GTX 580
4702
Radeon HD 6950
2693
GeForce GTX 580
Radeon HD 6950
Architecture
Fermi (2010−2014)
TeraScale 3 (2010−2013)
GPU code name
GF110
Cayman
Market segment
Desktop
Desktop
Release date
November 2010
December 2010
Bus support
PCI-E 2.0 x 16
PCIe 2.0 x16
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin and One 8-pin
2x 6-pin
SLI options
+
-
Boost clock speed
-
800 MHz
Core clock speed
772 MHz
-
CUDA cores
512
-
Floating-point performance
1,581.1 gflops
2,252.8 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
3,000 million
2,640 million
Pipelines / CUDA cores
512
1408
Power consumption (TDP)
244 Watt
500 Watt
Maximum GPU temperature
97 °C
-
Texture fill rate
49.4 billion/sec
70.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
1536 MB
2 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
2004 MHz (4008 data rate)
1250 MHz
Memory bandwidth
192.4 GB/s
-
Display Connectors
Mini HDMITwo Dual Link DVI
2x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
+
-
Eyefinity
-
1
HDMI
+
+
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.1
1.2
OpenGL
4.2
4.4
Shader Model
5.1
5.0
Vulkan
+
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-