
GeForce GTX 850A and Radeon R5 A320 - video card comparison
GeForce GTX 850A
Radeon R5 A320
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
GM107
Jet
Market segment
Desktop
Desktop
Release date
March 2014
2015
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Boost clock speed
936 MHz
825 MHz
Core clock speed
902 MHz
750 MHz
Floating-point performance
1,198 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
690 million
Pipelines / CUDA cores
640
320
Power consumption (TDP)
45 Watt
-
Texture fill rate
37.44
16.50
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1800 MHz
2 GB/s
Memory bandwidth
28.8 GB/s
16 GB/s
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (11_0)
12 (11_1)
CUDA
5.0
-
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