Radeon HD 7970M and GeForce GT 755M SLI - video card comparison
Radeon HD 7970M
GeForce GT 755M SLI
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Wimbledon XT
N14P-?
Market segment
Laptop
Laptop
Release date
May 2012
November 2013
Interface
MXM-B (3.0)
-
Supplementary power connectors
None
-
Core clock speed
850 MHz
980 MHz
Floating-point performance
2,176 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
2x 1300 Million
Pipelines / CUDA cores
1280
768
Power consumption (TDP)
100 Watt
2x ~50 Watt
Texture fill rate
68.00
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2x 2 GB
Memory bus width
256 Bit
2x 128 Bit
Memory clock speed
4800 MHz
5400 MHz
Memory bandwidth
153.6 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
-
DirectX
12 (11_1)
11
CUDA
-
+
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
Vulkan
1.2.131
-