GeForce GT 645M vs GeForce GTX 650 Ti Boost
In this comparison between GeForce GT 645M and GeForce GTX 650 Ti Boost you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GT 645M will be the best choice, for others GeForce GTX 650 Ti Boost will be their preference. Study the comparison tables below and make your choice.
GeForce GT 645M is a Laptop Graphics Card
Note: GeForce GT 645M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GT 645M here:
Main Specs
GeForce GT 645M
GeForce GTX 650 Ti Boost
Power consumption (TDP)
32 Watt
134 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
Memory type
DDR3\GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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GeForce GTX 650 Ti Boost has 318% more power consumption, than GeForce GT 645M.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GT 645M and GeForce GTX 650 Ti Boost have maximum RAM of 2 GB.
GeForce GT 645M is used in Laptops, and GeForce GTX 650 Ti Boost - in Desktops.
GeForce GT 645M and GeForce GTX 650 Ti Boost are build with Kepler architecture.
GeForce GT 645M and GeForce GTX 650 Ti Boost are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 645M is 1794 MHz higher, than GeForce GTX 650 Ti Boost.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
1−2
16−18
ultra / 1080p
0−1
9−10
QHD / 1440p
0−1
3−4
low / 720p
12−14
30−35
medium / 1080p
2−3
21−24
The average gaming FPS of GeForce GTX 650 Ti Boost in Assassin's Creed Odyssey is 380% more, than GeForce GT 645M.
high / 1080p
−
27−30
ultra / 1080p
3−4
21−24
QHD / 1440p
0−1
6−7
4K / 2160p
−
5−6
low / 720p
12−14
55−60
medium / 1080p
4−5
30−33
The average gaming FPS of GeForce GTX 650 Ti Boost in Battlefield 5 is 428% more, than GeForce GT 645M.
low / 768p
50−55
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
GeForce GT 645M and GeForce GTX 650 Ti Boost have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
210−220
medium / 768p
85−90
180−190
ultra / 1080p
35−40
100−110
QHD / 1440p
−
60−65
4K / 2160p
10−11
30−35
high / 768p
60−65
150−160
The average gaming FPS of GeForce GTX 650 Ti Boost in Counter-Strike: Global Offensive is 122% more, than GeForce GT 645M.
low / 768p
70−75
60−65
ultra / 1080p
14−16
40−45
medium / 1080p
45−50
55−60
The average gaming FPS of GeForce GTX 650 Ti Boost in Cyberpunk 2077 is 20% more, than GeForce GT 645M.
low / 768p
70−75
110−120
medium / 768p
45−50
100−110
ultra / 1080p
18−20
70−75
The average gaming FPS of GeForce GTX 650 Ti Boost in Dota 2 is 110% more, than GeForce GT 645M.
high / 1080p
2−3
20−22
ultra / 1080p
2−3
18−20
QHD / 1440p
−
18−20
4K / 2160p
0−1
6−7
low / 720p
10−11
40−45
medium / 1080p
3−4
21−24
The average gaming FPS of GeForce GTX 650 Ti Boost in Far Cry 5 is 550% more, than GeForce GT 645M.
high / 1080p
−
27−30
ultra / 1080p
5−6
21−24
QHD / 1440p
1−2
12−14
low / 720p
45−50
100−110
medium / 1080p
8−9
60−65
The average gaming FPS of GeForce GTX 650 Ti Boost in Fortnite is 233% more, than GeForce GT 645M.
high / 1080p
3−4
27−30
ultra / 1080p
−
21−24
QHD / 1440p
0−1
10−11
low / 720p
14−16
55−60
medium / 1080p
6−7
30−35
The average gaming FPS of GeForce GTX 650 Ti Boost in Forza Horizon 4 is 387% more, than GeForce GT 645M.
low / 768p
40−45
90−95
medium / 768p
−
80−85
high / 1080p
3−4
30−35
ultra / 1080p
2−3
12−14
QHD / 1440p
0−1
3−4
medium / 720p
35−40
−
The average gaming FPS of GeForce GTX 650 Ti Boost in Grand Theft Auto V is 187% more, than GeForce GT 645M.
high / 1080p
1−2
10−11
ultra / 1080p
0−1
8−9
4K / 2160p
0−1
1−2
low / 720p
3−4
30−35
medium / 1080p
2−3
14−16
The average gaming FPS of GeForce GTX 650 Ti Boost in Metro Exodus is 850% more, than GeForce GT 645M.
low / 768p
85−90
110−120
high / 1080p
55−60
−
medium / 1080p
−
110−120
The average gaming FPS of GeForce GTX 650 Ti Boost in Minecraft is 32% more, than GeForce GT 645M.
high / 1080p
14−16
−
ultra / 1080p
12−14
14−16
low / 720p
24−27
60−65
medium / 1080p
14−16
18−20
The average gaming FPS of GeForce GTX 650 Ti Boost in PLAYERUNKNOWN'S BATTLEGROUNDS is 88% more, than GeForce GT 645M.
high / 1080p
−
12−14
ultra / 1080p
3−4
9−10
QHD / 1440p
0−1
0−1
low / 720p
4−5
30−35
medium / 1080p
−
16−18
The average gaming FPS of GeForce GTX 650 Ti Boost in Red Dead Redemption 2 is 425% more, than GeForce GT 645M.
low / 768p
8−9
60−65
medium / 768p
7−8
35−40
high / 1080p
3−4
21−24
ultra / 1080p
3−4
12−14
4K / 2160p
0−1
6−7
The average gaming FPS of GeForce GTX 650 Ti Boost in The Witcher 3: Wild Hunt is 560% more, than GeForce GT 645M.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
12−14
35−40
high / 768p
30−33
55−60
The average gaming FPS of GeForce GTX 650 Ti Boost in World of Tanks is 63% more, than GeForce GT 645M.
Full Specs
GeForce GT 645M
GeForce GTX 650 Ti Boost
Architecture
Kepler
Kepler
Code name
N13P-GS
GK106
Type
Laptop
Desktop
Release date
22 March 2012
26 March 2013
Pipelines
384
768
Core clock speed
980 MHz
Boost Clock
1033 MHz
Transistor count
1,270 million
2,540 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
22.7 billion/sec
62.7 billion/sec
Floating-point performance
544.5 gflops
1,585 gflops
Length
9.5" (24.1 cm)
Memory bus width
128bit
192 Bit
Memory clock speed
1800 MHz
6.0 GB/s
Memory bandwidth
144.2 GB/s
Shared memory
-
DirectX
12 API
12 (11_0)
Shader Model
5.1
5.1
OpenGL
4.5
4.3
OpenCL
1.1
1.2
Vulkan
1.1.126
1.1.126
CUDA
+
+
CUDA cores
384
768
Bus support
PCI Express 2.0, PCI Express 3.0
PCI Express 3.0
Height
4.376" (11.1 cm)
SLI options
+
Multi monitor support
4 Displays
HDMI
+
+
HDCP
+
+
Maximum VGA resolution
Up to 2048x1536
2048x1536
Audio input for HDMI
Internal
3D Blu-Ray
+
+
3D Gaming
+
3D Vision
+
3D Vision Live
+
Bitcoin / BTC (SHA256)
19 Mh/s
54 Mh/s
Laptop size
medium sized
Optimus
+
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