Radeon HD 6950 and GeForce GTX 580M - video card comparison
Passmark - benchmark score Radeon HD 6950 vs GeForce GTX 580M
Radeon HD 6950
2693
GeForce GTX 580M
2136
Radeon HD 6950
GeForce GTX 580M
Architecture
TeraScale 3 (2010−2013)
Fermi (2010−2014)
GPU code name
Cayman
N12E-GTX2
Market segment
Desktop
Laptop
Release date
December 2010
June 2011
Bus support
PCIe 2.0 x16
PCI-E 2.0
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
2x 6-pin
None
SLI options
-
+
Boost clock speed
800 MHz
-
Core clock speed
-
620 MHz
CUDA cores
-
384
Floating-point performance
2,252.8 gflops
952.3 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
2,640 million
1,950 million
Pipelines / CUDA cores
1408
384
Power consumption (TDP)
500 Watt
100 Watt
Texture fill rate
70.40
39.7 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1250 MHz
1500 MHz
Memory bandwidth
-
96.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 API
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
5.0
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
Optimus
-
+
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-