GeForce GTX 1650 GDDR6 vs GeForce GTX 645 OEM
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 1650 GDDR6 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 1650 GDDR6 's Advantages
Released 7 years late
Boost Clock1590MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (192.0GB/s vs 64.00GB/s)
320 additional rendering cores
GeForce GTX 645 OEM 's Advantages
Lower TDP (65W vs 75W)
Score
Benchmark
FP32 (float)
GeForce GTX 1650 GDDR6
+200%
2849
GeForce GTX 645 OEM
949
Graphics Card
Apr 2020
Release Date
Apr 2013
GeForce 16
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1410 MHz
Base Clock
-
1590 MHz
Boost Clock
-
1500 MHz
Memory Clock
1000 MHz
Memory
4GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
128bit
192.0GB/s
Bandwidth
64.00GB/s
Render Config
14
SM Count
-
896
Shading Units
576
56
TMUs
48
32
ROPs
16
64 KB (per SM)
L1 Cache
16 KB (per SMX)
1024 KB
L2 Cache
256 KB
Theoretical Performance
50.88 GPixel/s
Pixel Rate
9.888 GPixel/s
89.04 GTexel/s
Texture Rate
39.55 GTexel/s
5.699 TFLOPS
FP16 (half)
-
2.849 TFLOPS
FP32 (float)
949.2 GFLOPS
89.04 GFLOPS
FP64 (double)
39.55 GFLOPS
Board Design
75W
TDP
65W
250 W
Suggested PSU
250 W
1x DVI
1x HDMI 2.0
1x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
None
Graphics Processor
TU117
GPU Name
GK106
TU117-300-A1
GPU Variant
GK106-200-A1
Turing
Architecture
Kepler
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
4.7 billion
Transistors
2.54 billion
200 mm²
Die Size
221 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
7.5
CUDA
3.0
6.6
Shader Model
5.1
