GeForce GT 640M Mac Edition and Radeon R7 350 Fake Card - video card comparison
GeForce GT 640M Mac Edition
Radeon R7 350 Fake Card
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK107
Opal
Market segment
Desktop
Desktop
Release date
February 2013
2015
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
-
None
Core clock speed
745 MHz
1050 MHz
Floating-point performance
572.2 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
950 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
32 Watt
35 Watt
Texture fill rate
23.84
25.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
512 MB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
5000 MHz
4.6 GB/s
Memory bandwidth
40 GB/s
36.8 GB/s
Display Connectors
No outputs
1x HDMI 1.4a, 1x DisplayPort 1.2, 1x VGA
HDMI
-
+
DirectX
12 (11_0)
12 (11_1)
CUDA
3.0
-
OpenCL
1.2
2.1 (1.2)
OpenGL
4.6
4.6
Shader Model
5.1
6.5 (5.1)
Vulkan
1.1.126
1.2.170