NVIDIA GeForce GTX 1650 GDDR6 vs NVIDIA GeForce GT 640 Rev. 2
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 1650 GDDR6 and 1024MB VRAM GeForce GT 640 Rev. 2 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 6 years and 11 months late
Boost Clock1590MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (192.0GB/s vs 40.06GB/s)
512 additional rendering cores
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Lower TDP (49W vs 75W)
Score
Benchmark
FP32 (float)
GeForce GTX 1650 GDDR6
+254%
2.849 TFLOPS
GeForce GT 640 Rev. 2
0.803 TFLOPS
Graphics Card
Apr 2020
Release Date
May 2013
GeForce 16
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x8
Clock Speeds
1410 MHz
Base Clock
-
1590 MHz
Boost Clock
-
1500 MHz
Memory Clock
1252 MHz
Memory
4GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
64bit
192.0GB/s
Bandwidth
40.06GB/s
Render Config
-
-
-
14
SM Count
-
896
Shading Units
384
56
TMUs
32
32
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
1024 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
50.88 GPixel/s
Pixel Rate
8.368 GPixel/s
89.04 GTexel/s
Texture Rate
33.47 GTexel/s
5.699 TFLOPS
FP16 (half)
-
2.849 TFLOPS
FP32 (float)
803.3 GFLOPS
89.04 GFLOPS
FP64 (double)
33.47 GFLOPS
Board Design
75W
TDP
49W
250 W
Suggested PSU
200 W
1x DVI
1x HDMI 2.0
1x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
1x VGA
None
Power Connectors
None
Graphics Processor
TU117
GPU Name
GK208
TU117-300-A1
GPU Variant
GK208-400-A1
Turing
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
4.7 billion
Transistors
1.02 billion
200 mm²
Die Size
87 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
3.5
6.6
Shader Model
5.1
