Radeon HD 7970M Crossfire and GeForce GTX 780M - video card comparison
Radeon HD 7970M Crossfire
GeForce GTX 780M
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Wimbledon XT
N14E-GTX
Market segment
Laptop
Laptop
Release date
May 2012
May 2013
Bus support
-
PCI Express 3.0, PCI Express 2.0
Interface
-
MXM-B (3.0)
Supplementary power connectors
-
None
SLI options
-
+
Boost clock speed
-
797 MHz
Core clock speed
850 MHz
823 MHz
CUDA cores
-
1536
Floating-point performance
-
2,448 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
3,540 million
Pipelines / CUDA cores
2560
1536
Power consumption (TDP)
200 Watt
122 Watt
Texture fill rate
-
102.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
-
4 GB
Memory bus width
2x 256 Bit
256 Bit
Memory clock speed
4800 MHz
2500 MHz
Memory bandwidth
-
160.0 GB/s
Shared memory
-
-
Standard memory configuration
-
GDDR5
Display Connectors
-
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
VGA аnalog display support
-
Up to 2048x1536
DisplayPort Multimode (DP++) support
-
Up to 3840x2160
HDCP content protection
-
+
HDMI
-
+
7.1 channel HD audio on HDMI
-
+
DirectX
11.1
12 API
CUDA
-
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
-
1.1.126
3D Vision / 3DTV Play
-
+
Blu-Ray 3D Support
-
+
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
-
+
TrueHD and DTS-HD audio bitstreaming
-
+