
Radeon HD 6950 and GeForce GT 620 - video card comparison
Passmark - benchmark score Radeon HD 6950 vs GeForce GT 620
Radeon HD 6950
2693
GeForce GT 620
388
Radeon HD 6950
GeForce GT 620
Architecture
TeraScale 3 (2010−2013)
Fermi (2010−2014)
GPU code name
Cayman
GF108
Market segment
Desktop
Desktop
Release date
December 2010
May 2012
Bus support
PCIe 2.0 x16
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Boost clock speed
800 MHz
-
Core clock speed
-
700 MHz
CUDA cores
-
96
Floating-point performance
2,252.8 gflops
268.8 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
2,640 million
585 million
Pipelines / CUDA cores
1408
96
Power consumption (TDP)
500 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
70.40
11.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1250 MHz
1.8 GB/s
Memory bandwidth
-
14.4 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
Dual Link DVI-I, HDMI, VGA
Multi monitor support
-
+
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
1.1
OpenGL
4.4
4.2
Shader Model
5.0
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-