Radeon HD 7970M Crossfire and Radeon HD 7970 - video card comparison
Radeon HD 7970M Crossfire
Radeon HD 7970
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Wimbledon XT
Tahiti XT
Market segment
Laptop
Desktop
Release date
May 2012
December 2011
Bus support
-
PCIe 2.1 x16
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
-
925 MHz
Core clock speed
850 MHz
-
Floating-point performance
-
3,789 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
4,313 million
Pipelines / CUDA cores
2560
2048
Power consumption (TDP)
200 Watt
300 Watt
Texture fill rate
-
118.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
-
6 GB
Memory bus width
2x 256 Bit
384 Bit
Memory clock speed
4800 MHz
1375 MHz
Memory bandwidth
-
264 GB/s
Shared memory
-
-
Display Connectors
-
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
+
HDMI
-
+
DisplayPort support
-
-
DirectX
11.1
DirectX® 11
Mantle
-
-
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-