Radeon HD 6950 and GeForce GTX 650 - video card comparison
Passmark - benchmark score Radeon HD 6950 vs GeForce GTX 650
Radeon HD 6950
2693
GeForce GTX 650
1801
Radeon HD 6950
GeForce GTX 650
Architecture
TeraScale 3 (2010−2013)
Kepler (2012−2018)
GPU code name
Cayman
GK107
Market segment
Desktop
Desktop
Release date
December 2010
September 2012
Bus support
PCIe 2.0 x16
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
One 6-pin
Boost clock speed
800 MHz
-
Core clock speed
-
1058 MHz
CUDA cores
-
384
Floating-point performance
2,252.8 gflops
812.5 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
2,640 million
1,270 million
Pipelines / CUDA cores
1408
384
Power consumption (TDP)
500 Watt
64 Watt
Texture fill rate
70.40
33.9 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128-bit GDDR5
Memory clock speed
1250 MHz
5.0 GB/s
Memory bandwidth
-
80.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
Multi monitor support
-
4 displays
Eyefinity
1
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
DisplayPort support
-
-
Audio input for HDMI
-
Internal
DirectX
DirectX® 11
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.3
Shader Model
5.0
5.1
Vulkan
-
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-