NVIDIA GeForce GTX 1070 SLI Mobile vs GT 640 OEM

General info

Comparison of GeForce GTX 1070 SLI Mobile and GeForce GT 640 OEM architecture, market type and release date.
Place in performance rating
 
Value for money (0-100)
45.26
 
no data
Architecture
Pascal
 
Kepler
Code name
Pascal GP104 SLI
 
GK107
Type
Laptop
 
Desktop
Release date
16 August 2016
 
24 April 2012
Price now
$524
 
no data

Technical specs

GeForce GTX 1070 SLI Mobile and GeForce GT 640 OEM's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce GTX 1070 SLI Mobile and GeForce GT 640 OEM's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
4096
 
384
Core clock speed
1443 MHz
 
797 MHz
Boost Clock
1645 MHz
 
no data
Transistor count
14400 Million
 
1,270 million
Manufacturing process technology
16 nm
 
28 nm
Power consumption (TDP)
no data
 
50 Watt
Texture fill rate
no data
 
25.50
Floating-point performance
no data
 
612.1 gflops

Compatibility, dimensions and requirements

Information on GeForce GTX 1070 SLI Mobile and GeForce GT 640 OEM compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). 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
large
 
no data
Interface
no data
 
PCIe 3.0 x16
Length
no data
 
145 mm
Supplementary power connectors
no data
 
None
SLI options
+
 
-

Memory

Parameters of memory installed on GeForce GTX 1070 SLI Mobile and GeForce GT 640 OEM: 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
GDDR5
 
DDR3
Maximum RAM amount
2x 8 GB
 
2 GB
Memory bus width
256 Bit
 
128 Bit
Memory clock speed
8000 MHz
 
1782 MHz
Memory bandwidth
no data
 
28.51 GB/s
Shared memory
-
 
no data

Video outputs and ports

Types and number of video connectors present on GeForce GTX 1070 SLI Mobile and GeForce GT 640 OEM. As a rule, this section is relevant only for desktop reference video cards, since for notebook ones the availability of certain video outputs depends on the laptop model.
Display Connectors
no data
 
1x DVI, 1x HDMI, 1x DisplayPort
G-SYNC support
+
 
-

Technologies

Technological solutions and APIs supported by GeForce GTX 1070 SLI Mobile and GeForce GT 640 OEM. You'll probably need this information if you need some particular technology for your purposes.
3D Vision
+
 
-
GPU Boost
+
 
no data
VR Ready
+
 
no data
CUDA
+
 
-
GeForce Experience
+
 
no data
Surround
+
 
no data
Multi-Projection
+
 
no data
Multi Monitor
+
 
no data
Adaptive Vertical Sync
+
 
no data

API support

APIs supported by GeForce GTX 1070 SLI Mobile and GeForce GT 640 OEM, sometimes including their particular versions.
DirectX
DirectX 12_1
 
12 (11_0)
OpenGL
no data
 
4.6
Vulkan
+
 
-

Mining hashrates

Cryptocurrency mining performance of GeForce GTX 1070 SLI Mobile and GeForce GT 640 OEM. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
no data
 
23 Mh/s

Gaming performance

Let's see how good GeForce GTX 1070 SLI Mobile and GeForce GT 640 OEM are for gaming. Particular gaming benchmark results are measured in FPS.

Advantages of NVIDIA GeForce GTX 1070 SLI Mobile

468800% faster (about 4689 times) in synthetic tests
Much newer (16 August 2016 vs 24 April 2012)
Wider memory bus (256 vs 128 bit)
More pipelines (4096 vs 384)
Finer manufacturing process technology (16 vs 28 nm)
Multi-Projection
VR Ready
G-SYNC (removes screen tearing by telling the display when to renew the image. Only works with G-SYNC compatible displays)
Vulkan (a contemporary API for graphics acceleration, based on now-discontinued Mantle)
Multi Monitor
CUDA (Compute Unified Device Architecture - an API for video card computing power usage in tasks different from 3D graphics processing. Can be used for physics simulation for instance)
3D Vision
PhysX (hardware acceleration of physical simulation engine named PhysX)
GeForce Experience (software suite built to manage NVIDIA GPU parameters, and to record and stream game video)
Surround
NVIDIA GameStream
GPU Boost 2.0 (increases NVIDIA GPU voltage and frequency when there's a temperature headroom. Similar to AMD PowerTune)
Adaptive Vertical Sync
SLIOptions
3D Vision Surround

Advantages of NVIDIA GeForce GT 640 OEM

We are unaware of any advantages of NVIDIA GeForce GT 640 OEM over NVIDIA GeForce GTX 1070 SLI Mobile.

So, GTX 1070 SLI Mobile or GT 640 OEM?

Judging by the results of synthetic and gaming tests, Technical City recommends NVIDIA GeForce GTX 1070 SLI Mobile.
Be aware that GeForce GTX 1070 SLI Mobile is a notebook card while GeForce GT 640 OEM is a desktop one.
Should you still have questions on choice between GeForce GTX 1070 SLI Mobile and GeForce GT 640 OEM, ask them in Comments section, and we shall answer.

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NVIDIA GeForce GTX 1070 SLI Mobile
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