Radeon R9 295X2 and Radeon HD 6950 - video card comparison
Passmark - benchmark score Radeon R9 295X2 vs Radeon HD 6950
Radeon R9 295X2
8876
Radeon HD 6950
2693
Radeon R9 295X2
Radeon HD 6950
Architecture
GCN 2.0 (2013−2017)
TeraScale 3 (2010−2013)
GPU code name
Vesuvius
Cayman
Market segment
Desktop
Desktop
Release date
April 2014
December 2010
Bus support
PCIe 2.1 x16
PCIe 2.0 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2 x 8-pin
2x 6-pin
Boost clock speed
1018 MHz
800 MHz
Floating-point performance
2x 5,733 gflops
2,252.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
6,200 million
2,640 million
Pipelines / CUDA cores
2816
1408
Power consumption (TDP)
500 Watt
500 Watt
Texture fill rate
179.2
70.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1250 MHz
1250 MHz
Memory bandwidth
640 GB/s
-
Display Connectors
1x DVI, 4x mini-DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
1
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 12
DirectX® 11
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.3
5.0
Vulkan
+
-
AppAcceleration
-
-
CrossFire
1
1
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
-
-
UVD
+
-
ZeroCore
-
-