Radeon HD 8670D and GeForce GT 755M Mac Edition - video card comparison
Radeon HD 8670D
GeForce GT 755M Mac Edition
Architecture
Terascale 3 (2010−2013)
Kepler (2012−2018)
GPU code name
Richland
GK107
Market segment
Desktop
Desktop
Release date
June 2013
November 2013
Interface
IGP
PCIe 3.0 x16
Boost clock speed
950 MHz
-
Core clock speed
844 MHz
1085 MHz
Floating-point performance
-
833.3 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
1,303 million
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
100 Watt
50 Watt
Texture fill rate
22.80
34.72
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
1 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
5000 MHz
Memory bandwidth
-
80 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
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