NVIDIA GeForce GTX 1650 GDDR6 vs NVIDIA GeForce GT 645 OEM
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 1650 GDDR6 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 1650 GDDR6 's Advantages
Released 8 years late
Boost Clock1590MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (192.0GB/s vs 91.87GB/s)
608 additional rendering cores
Lower TDP (75W vs 102W)
Score
Benchmark
FP32 (float)
GeForce GTX 1650 GDDR6
+218%
2.849 TFLOPS
GeForce GT 645 OEM
0.894 TFLOPS
Graphics Card
Apr 2020
Release Date
Apr 2012
GeForce 16
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1410 MHz
Base Clock
-
1590 MHz
Boost Clock
-
1500 MHz
Memory Clock
957 MHz
Memory
4GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
192bit
192.0GB/s
Bandwidth
91.87GB/s
Render Config
-
-
-
14
SM Count
6
896
Shading Units
288
56
TMUs
48
32
ROPs
24
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
50.88 GPixel/s
Pixel Rate
9.312 GPixel/s
89.04 GTexel/s
Texture Rate
37.25 GTexel/s
5.699 TFLOPS
FP16 (half)
-
2.849 TFLOPS
FP32 (float)
894.0 GFLOPS
89.04 GFLOPS
FP64 (double)
74.50 GFLOPS
Board Design
75W
TDP
102W
250 W
Suggested PSU
300 W
1x DVI
1x HDMI 2.0
1x DisplayPort 1.4a
Outputs
2x DVI
1x mini-HDMI 1.3a
None
Power Connectors
-
Graphics Processor
TU117
GPU Name
GF114
TU117-300-A1
GPU Variant
-
Turing
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
12 nm
Process Size
40 nm
4.7 billion
Transistors
1.95 billion
200 mm²
Die Size
332 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
7.5
CUDA
2.1
6.6
Shader Model
5.1
