GeForce GTX 645 OEM and GeForce RTX 5080 - video card comparison
GeForce GTX 645 OEM
GeForce RTX 5080
Architecture
Kepler (2012−2018)
Blackwell 2.0
GPU code name
GK106
GB203
Market segment
Desktop
Desktop
Release date
April 2013
2025 (recently)
Interface
PCIe 3.0 x16
PCIe 5.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
-
2520 MHz
Core clock speed
824 MHz
-
Floating-point performance
949.2 gflops
-
Manufacturing process technology
28 nm
0 nm
Number of transistors
2,540 million
-
Pipelines / CUDA cores
576
10752
Power consumption (TDP)
65 Watt
350 Watt
Texture fill rate
39.55
846.7
Memory type
GDDR5
GDDR7
Maximum RAM amount
1 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
4000 MHz
5 GB/s
Memory bandwidth
64 GB/s
160.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
3.0
9.1
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3