Radeon R9 295X2 and Radeon HD 7970 - video card comparison
Passmark - benchmark score Radeon R9 295X2 vs Radeon HD 7970
Radeon R9 295X2
8876
Radeon HD 7970
5405
Radeon R9 295X2
Radeon HD 7970
Architecture
GCN 2.0 (2013−2017)
GCN (2011−2017)
GPU code name
Vesuvius
Tahiti XT
Market segment
Desktop
Desktop
Release date
April 2014
December 2011
Bus support
PCIe 2.1 x16
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 8-pin
1x 6-pin + 1x 8-pin
Boost clock speed
1018 MHz
925 MHz
Floating-point performance
2x 5,733 gflops
3,789 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
4,313 million
Pipelines / CUDA cores
2816
2048
Power consumption (TDP)
500 Watt
300 Watt
Texture fill rate
179.2
118.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
6 GB
Memory bus width
512 Bit
384 Bit
Memory clock speed
1250 MHz
1375 MHz
Memory bandwidth
640 GB/s
264 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
+
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 12
DirectX® 11
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
+
-
AppAcceleration
-
-
CrossFire
1
1
DDMA audio
+
-
Enduro
-
-
FreeSync
1
1
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
-
-
UVD
+
-
ZeroCore
-
-