GeForce GTX 1050 Ti vs GeForce GT 640 Rev. 2
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 1050 Ti 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
GeForce GTX 1050 Ti 's Advantages
Released 3 years and 5 months late
Boost Clock1392MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (112.1GB/s vs 40.06GB/s)
384 additional rendering cores
GeForce GT 640 Rev. 2 's Advantages
Lower TDP (49W vs 75W)
Score
Benchmark
FP32 (float)
GeForce GTX 1050 Ti
+166%
2138
GeForce GT 640 Rev. 2
803
Graphics Card
Oct 2016
Release Date
May 2013
GeForce 10
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x8
Clock Speeds
1291 MHz
Base Clock
-
1392 MHz
Boost Clock
-
1752 MHz
Memory Clock
1252 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
112.1GB/s
Bandwidth
40.06GB/s
Render Config
6
SM Count
-
768
Shading Units
384
48
TMUs
32
32
ROPs
8
48 KB (per SM)
L1 Cache
16 KB (per SMX)
1024 KB
L2 Cache
512 KB
Theoretical Performance
44.54 GPixel/s
Pixel Rate
8.368 GPixel/s
66.82 GTexel/s
Texture Rate
33.47 GTexel/s
33.41 GFLOPS
FP16 (half)
-
2.138 TFLOPS
FP32 (float)
803.3 GFLOPS
66.82 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
GP107
GPU Name
GK208
GP107-400-A1
GPU Variant
GK208-400-A1
Pascal
Architecture
Kepler 2.0
Samsung
Foundry
TSMC
14 nm
Process Size
28 nm
3.3 billion
Transistors
1.02 billion
132 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
6.1
CUDA
3.5
6.4
Shader Model
5.1
