
GeForce GTX 850A and Lexa - video card comparison
GeForce GTX 850A
Lexa
Architecture
Maxwell (2014−2018)
GCN 4.0 (2016−2020)
GPU code name
GM107
Lexa
Market segment
Desktop
Desktop
Release date
March 2014
-
Interface
PCIe 3.0 x16
-
Boost clock speed
936 MHz
-
Core clock speed
902 MHz
-
Floating-point performance
1,198 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,870 million
2,200 million
Pipelines / CUDA cores
640
640
Power consumption (TDP)
45 Watt
-
Texture fill rate
37.44
-
Memory type
DDR3
-
Maximum RAM amount
2 GB
-
Memory bus width
128 Bit
-
Memory clock speed
1800 MHz
-
Memory bandwidth
28.8 GB/s
-
Display Connectors
No outputs
-
DirectX
12 (11_0)
12 (12_0)
CUDA
5.0
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3