NVIDIA GeForce GTX 1650 vs NVIDIA GeForce GT 640
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 1650 and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 1650 's Advantages
Released 6 years and 10 months late
Boost Clock1665MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (128.1GB/s vs 28.51GB/s)
512 additional rendering cores
NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 75W)
Score
Benchmark
FP32 (float)
GeForce GTX 1650
+330%
2.984 TFLOPS
GeForce GT 640
0.693 TFLOPS
3DMark Time Spy
GeForce GTX 1650
+771%
3566
GeForce GT 640
409
3DMark Time Spy Extreme
GeForce GTX 1650
+903%
1606
GeForce GT 640
160
Graphics Card
Apr 2019
Release Date
Jun 2012
GeForce 16
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1485 MHz
Base Clock
-
1665 MHz
Boost Clock
-
2001 MHz
Memory Clock
891 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
128.1GB/s
Bandwidth
28.51GB/s
Render Config
-
-
-
14
SM Count
-
896
Shading Units
384
56
TMUs
32
32
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
1024 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
53.28 GPixel/s
Pixel Rate
7.216 GPixel/s
93.24 GTexel/s
Texture Rate
28.86 GTexel/s
5.967 TFLOPS
FP16 (half)
-
2.984 TFLOPS
FP32 (float)
692.7 GFLOPS
93.24 GFLOPS
FP64 (double)
28.86 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
GK107
TU117-300-A1
GPU Variant
GK107-300-A2
Turing
Architecture
Kepler
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
4.7 billion
Transistors
1.27 billion
200 mm²
Die Size
118 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
