NVIDIA GeForce GT 640M: specs and benchmarks

NVIDIA GeForce GT 640M

Summary

NVIDIA started GeForce GT 640M sales 22 March 2012. This is Kepler architecture notebook card based on 28 nm manufacturing process and primarily aimed at gamers. 2 GB of DDR3\GDDR5 memory clocked at 1.8 GHz are supplied, and together with 128bit memory interface this creates a bandwidth of Up to 64.0 GB/s.

Compatibility-wise, this is card attached via PCIe 3.0 x16 interface. Power consumption is at 32 Watt.

It provides poor gaming and benchmark performance at 5.78 percent of a leader's which is AMD Radeon R9 390 X2.

General info

Of GeForce GT 640M's architecture, market type and release date.
Place in performance rating
 
Architecture
Kepler
 
Code name
GK107
 
Type
Laptop
 
Release date
22 March 2012
 

Technical specs

GeForce GT 640M's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce GT 640M's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
384
 
of 8192 (Radeon Pro Duo)
CUDA cores
384
 
Core clock speed
Up to 625 MHz
 
Boost Clock
645 MHz
 
Transistor count
1,270 million
 
of 21100
Manufacturing process technology
28 nm
 
of 12
Power consumption (TDP)
32 Watt
 
of 900 (Tesla S2050)
Texture fill rate
Up to 20.0 billion/sec
 
of 512 (Radeon Pro Duo)
Floating-point performance
480.0 gflops
 
of 16384 (Radeon Pro Duo)

Compatibility, dimensions and requirements

Information on GeForce GT 640M's compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
Laptop size
medium sized
 
Bus support
PCI Express 2.0, PCI Express 3.0
 
Interface
PCIe 3.0 x16
 

Memory specs

Parameters of memory installed on GeForce GT 640M: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
DDR3\GDDR5
 
Maximum RAM amount
2 GB
 
of 32
Memory bus width
128bit
 
of 8192 (Radeon Pro Duo)
Memory clock speed
1800 - 4000 MHz
 
of 11408 (TITAN Xp)
Memory bandwidth
Up to 64.0 GB/s
 
of 1024 (Radeon Pro Duo)
Shared memory
-
 

Video outputs and ports

Types and number of video connectors present on GeForce GT 640M.
HDMI
+
 
HDCP
+
 
Maximum VGA resolution
Up to 2048x1536
 

Technologies

Technological solutions and APIs supported by GeForce GT 640M. You'll probably need this information if you need some particular technology for your purposes.
3D Blu-Ray
+
 
3D Vision
+
 
Optimus
+
 
CUDA
+
 
DirectX 11
DirectX 11
 
DirectCompute
+
 

API support

APIs supported by GeForce GT 640M, sometimes including their particular versions.
DirectX
12 API
 
OpenGL
4.5
 
OpenCL
1.1
 

Video card benchmarks performance

Non-gaming benchmarks performance of GeForce GT 640M. Note that overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
5.61
 
 
3DMark Ice Storm GPU
80836.00
 
 
3DMark Cloud Gate GPU
9024.00
 
 
3DMark Fire Strike Score
1153.00
 
 
3DMark Fire Strike Graphics
1225.00
 
 
3DMark 11 Performance GPU
1728.00
 
 
3DMark Vantage Performance
7425.00
 
 
Passmark
952
 
 
3DMark Fire Strike Graphics Score
1230
 
 
Octane Render OctaneBench
9
 
 

Mining hashrate

Cryptocurrency mining performance of GeForce GT 640M. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
18 Mh/s
 
 

Game benchmarks (in FPS)

Let's see how good GeForce GT 640M is for gaming. Particular gaming benchmark results are measured in FPS, while overall gaming performance is a number in 0-100 range, and the older the game, the less impact it has on the overall grade.
Overall gaming performance
0.07
 
 
Games can run, %
At minimum settings
88.71
At recommended settings
64.84
New games support
42
Games benchmarked by notebookcheck.net
Far Cry Primal (2016)
low / 720p
21.00
 
medium / 1080p
10.00
 
Overwatch (2016)
low / 720p
52.00
 
medium / 768p
44.70
 
high / 1080p
22.10
 
Dota 2 (2015)
low / 720p
57.00
 
medium / 768p
49.70
 
high / 1080p
25.40
 
ultra / 1080p
24.10
 
GTA V (2015)
low / 768p
52.80
 
medium / 768p
44.60
 
high / 1080p
12.00
 
ultra / 1080p
3.00
 
Rainbow Six Siege (2015)
low / 768p
51.40
 
medium / 768p
29.20
 
high / 1080p
16.50
 
ultra / 1080p
11.20
 
The Witcher 3 (2015)
low / 768p
19.80
 
Far Cry 4 (2014)
low / 768p
35.80
 
medium / 768p
26.90
 
high / 1080p
9.60
 
Battlefield 4 (2013)
low / 768p
50.30
 
medium / 768p
34.70
 
high / 768p
23.50
 
ultra / 1080p
9.90
 
Crysis 3 (2013)
low / 768p
44.30
 
medium / 768p
25.30
 
high / 768p
17.00
 
ultra / 1080p
6.50
 
Tomb Raider (2013)
low / 768p
87.60
 
medium / 768p
50.10
 
high / 768p
38.50
 
ultra / 1080p
9.90
 
X-Plane 10.25 (2013)
low / 768p
65.00
 
medium / 768p
27.60
 
high / 768p
13.10
 
ultra / 1080p
6.40
 
Counter-Strike: GO (2012)
low / 768p
129.00
 
medium / 768p
99.00
 
high / 768p
84.00
 
ultra / 1080p
49.00
 
Diablo III (2012)
low / 768p
119.00
 
medium / 768p
75.50
 
high / 768p
67.10
 
ultra / 1080p
42.70
 
The Elder Scrolls V: Skyrim (2011)
low / 720p
57.60
 
medium / 768p
42.30
 
high / 768p
31.30
 
ultra / 1080p
17.15
 
Just Cause 2 (2010)
ultra / 1080p
18.90
 
GTA IV - Grand Theft Auto (2008)
high / 1024p
29.80
 
Crysis - GPU Benchmark (2007)
high / 768p
45.90
 
ultra / 1080p
11.60
 
World of Warcraft (2005)
medium / 768p
109.00
 
high / 1024p
41.00
 

Relative perfomance

Overall GeForce GT 640M performance compared to its nearest competitors. All GPU types participate.

AMD equivalent

We believe that the nearest equivalent to GeForce GT 640M from AMD is Mobility Radeon HD 3850 X2, which is slower by 2% and lower by 6 positions in our rating.

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Advices and comments

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