
Radeon HD 6790 and GeForce GT 750M Mac Edition - video card comparison
Passmark - benchmark score Radeon HD 6790 vs GeForce GT 750M Mac Edition
Radeon HD 6790
1664
GeForce GT 750M Mac Edition
1723
Radeon HD 6790
GeForce GT 750M Mac Edition
Architecture
Terascale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Barts
GK107
Market segment
Desktop
Desktop
Release date
April 2011
November 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
-
Core clock speed
840 MHz
926 MHz
Floating-point performance
1,344.0 gflops
711.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
1,270 million
Pipelines / CUDA cores
800
384
Power consumption (TDP)
150 Watt
50 Watt
Texture fill rate
33.60
29.63
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1050 MHz
5016 MHz
Memory bandwidth
134.4 GB/s
80.26 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126