GeForce GTX 850A and GeForce RTX 4090 - video card comparison
Passmark - benchmark score GeForce GTX 850A vs GeForce RTX 4090
GeForce GTX 850A
1080
GeForce RTX 4090
39777
GeForce GTX 850A
GeForce RTX 4090
Architecture
Maxwell (2014−2018)
Ada Lovelace
GPU code name
GM107
AD102-300-A1
Market segment
Desktop
Desktop
Release date
March 2014
September 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
936 MHz
2520 MHz
Core clock speed
902 MHz
2235 MHz
Floating-point performance
1,198 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,870 million
76,300 million
Pipelines / CUDA cores
640
16384
Power consumption (TDP)
45 Watt
450 Watt
Texture fill rate
37.44
1,290
Memory type
DDR3
GDDR6X
Maximum RAM amount
2 GB
24 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
1800 MHz
21000 MHz
Memory bandwidth
28.8 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
5.0
8.9
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
1.1.126
1.3