Radeon HD 6970 and GeForce GT 750M Mac Edition - video card comparison
Passmark - benchmark score Radeon HD 6970 vs GeForce GT 750M Mac Edition
Radeon HD 6970
2921
GeForce GT 750M Mac Edition
1723
Radeon HD 6970
GeForce GT 750M Mac Edition
Architecture
Terascale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Cayman
GK107
Market segment
Desktop
Desktop
Release date
December 2010
November 2013
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
Boost clock speed
880 MHz
-
Core clock speed
-
926 MHz
Floating-point performance
2,703.4 gflops
711.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
2,640 million
1,270 million
Pipelines / CUDA cores
1536
384
Power consumption (TDP)
550 Watt
50 Watt
Texture fill rate
84.48
29.63
Memory type
DDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1375 MHz
5016 MHz
Memory bandwidth
-
80.26 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (11_0)
CUDA
-
3.0
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
-
1.1.126
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-