Home GPU Comparison NVIDIA GeForce GTX TITAN X vs NVIDIA GeForce GT 640

NVIDIA GeForce GTX TITAN X vs NVIDIA GeForce GT 640

NVIDIA GeForce GTX TITAN X
VS
NVIDIA GeForce GT 640
NVIDIA GeForce GTX TITAN X NVIDIA GeForce GT 640
We compared two Desktop platform GPUs: 12GB VRAM GeForce GTX TITAN X 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 TITAN X 's Advantages
Released 2 years and 9 months late
Boost Clock1089MHz
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (336.6GB/s vs 28.51GB/s)
2688 additional rendering cores
NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)
GeForce GTX TITAN X +865%
6.691 TFLOPS
GeForce GT 640
0.693 TFLOPS
Blender
GeForce GTX TITAN X +1521%
519
GeForce GT 640
32
OctaneBench
GeForce GTX TITAN X +1000%
88
GeForce GT 640
8
GeForce GTX TITAN X
VS
GeForce GT 640

Graphics Card

Mar 2015
Release Date
Jun 2012
GeForce 900
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

1000 MHz
Base Clock
-
1089 MHz
Boost Clock
-
1753 MHz
Memory Clock
891 MHz

Memory

12GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
384bit
Memory Bus
128bit
336.6GB/s
Bandwidth
28.51GB/s

Render Config

-
SM Count
-
-
Compute Units
-
3072
Shading Units
384
192
TMUs
32
96
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
48 KB (per SMM)
L1 Cache
16 KB (per SMX)
3 MB
L2 Cache
256 KB

Theoretical Performance

104.5 GPixel/s
Pixel Rate
7.216 GPixel/s
209.1 GTexel/s
Texture Rate
28.86 GTexel/s
-
FP16 (half)
-
6.691 TFLOPS
FP32 (float)
692.7 GFLOPS
209.1 GFLOPS
FP64 (double)
28.86 GFLOPS

Graphics Processor

GM200
GPU Name
GK107
GM200-400-A1
GPU Variant
GK107-300-A2
Maxwell 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
8 billion
Transistors
1.27 billion
601 mm²
Die Size
118 mm²

Board Design

250W
TDP
65W
600 W
Suggested PSU
250 W
1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
None

Graphics Features

12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
5.2
CUDA
3.0
6.4
Shader Model
5.1

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