Radeon HD 7970 and Radeon R7 260 - video card comparison
Passmark - benchmark score Radeon HD 7970 vs Radeon R7 260
Radeon HD 7970
5405
Radeon R7 260
2978
Radeon HD 7970
Radeon R7 260
Architecture
GCN (2011−2017)
GCN 2.0 (2013−2017)
GPU code name
Tahiti XT
Bonaire
Market segment
Desktop
Desktop
Release date
December 2011
December 2013
Bus support
PCIe 2.1 x16
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1 x 6-pin
Boost clock speed
925 MHz
1100 MHz
Floating-point performance
3,789 gflops
1,536 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
2,080 million
Pipelines / CUDA cores
2048
768
Power consumption (TDP)
300 Watt
115 Watt
Texture fill rate
118.4
48.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
2 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1375 MHz
1625 MHz
Memory bandwidth
264 GB/s
104 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
+
1
HDMI
+
+
DisplayPort support
-
+
DirectX
DirectX® 11
DirectX® 12
Mantle
-
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.3
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
-
+
Enduro
-
-
FreeSync
1
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-