NVIDIA TITAN X Pascal vs NVIDIA GeForce GT 640 Rev. 2
We compared two Desktop platform GPUs: 12GB VRAM TITAN X Pascal 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 TITAN X Pascal 's Advantages
Released 3 years and 3 months late
Boost Clock1531MHz
More VRAM (12GB vs 1024GB)
Larger VRAM bandwidth (480.4GB/s vs 40.06GB/s)
3200 additional rendering cores
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Lower TDP (49W vs 250W)
Score
Benchmark
FP32 (float)
TITAN X Pascal
+1266%
10.97 TFLOPS
GeForce GT 640 Rev. 2
0.803 TFLOPS
Graphics Card
Aug 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
1417 MHz
Base Clock
-
1531 MHz
Boost Clock
-
1251 MHz
Memory Clock
1252 MHz
Memory
12GB
Memory Size
1024MB
GDDR5X
Memory Type
GDDR5
384bit
Memory Bus
64bit
480.4GB/s
Bandwidth
40.06GB/s
Render Config
-
-
-
28
SM Count
-
3584
Shading Units
384
224
TMUs
32
96
ROPs
8
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
16 KB (per SMX)
3 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
147.0 GPixel/s
Pixel Rate
8.368 GPixel/s
342.9 GTexel/s
Texture Rate
33.47 GTexel/s
171.5 GFLOPS
FP16 (half)
-
10.97 TFLOPS
FP32 (float)
803.3 GFLOPS
342.9 GFLOPS
FP64 (double)
33.47 GFLOPS
Board Design
250W
TDP
49W
600 W
Suggested PSU
200 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
GP102
GPU Name
GK208
GP102-400-A1
GPU Variant
GK208-400-A1
Pascal
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
16 nm
Process Size
28 nm
11.8 billion
Transistors
1.02 billion
471 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
