Radeon HD 7970 and GeForce GTX 780M - video card comparison
Passmark - benchmark score Radeon HD 7970 vs GeForce GTX 780M
Radeon HD 7970
5405
GeForce GTX 780M
3962
Radeon HD 7970
GeForce GTX 780M
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Tahiti XT
N14E-GTX
Market segment
Desktop
Laptop
Release date
December 2011
May 2013
Bus support
PCIe 2.1 x16
PCI Express 3.0, PCI Express 2.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
SLI options
-
+
Boost clock speed
925 MHz
797 MHz
Core clock speed
-
823 MHz
CUDA cores
-
1536
Floating-point performance
3,789 gflops
2,448 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
3,540 million
Pipelines / CUDA cores
2048
1536
Power consumption (TDP)
300 Watt
122 Watt
Texture fill rate
118.4
102.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
4 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
1375 MHz
2500 MHz
Memory bandwidth
264 GB/s
160.0 GB/s
Shared memory
-
-
Standard memory configuration
-
GDDR5
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
Eyefinity
+
-
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
-
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 API
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
-
1.1.126
3D Vision / 3DTV Play
-
+
AppAcceleration
-
-
Blu-Ray 3D Support
-
+
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
H.264, VC1, MPEG2 1080p video decoder
-
+
HD3D
-
-
Optimus
-
+
PowerTune
-
-
TrueAudio
-
-
TrueHD and DTS-HD audio bitstreaming
-
+
ZeroCore
-
-