GeForce GTX 660 Ti vs GeForce GTX 860M SLI
When choosing between GeForce GTX 660 Ti and GeForce GTX 860M SLI, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 660 Ti and GeForce GTX 860M SLI.
GeForce GTX 860M SLI is a Laptop Graphics Card
Note: GeForce GTX 860M SLI 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 GTX 860M SLI here:
Main Specs
GeForce GTX 660 Ti
GeForce GTX 860M SLI
Power consumption (TDP)
150 Watt
120 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2x 4 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
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GeForce GTX 660 Ti has 25% more power consumption, than GeForce GTX 860M SLI.
GeForce GTX 660 Ti and GeForce GTX 860M SLI have maximum RAM of 2 GB.
GeForce GTX 660 Ti is used in Desktops, and GeForce GTX 860M SLI - in Laptops.
GeForce GTX 660 Ti is build with Kepler architecture, and GeForce GTX 860M SLI - with Maxwell.
Core clock speed of GeForce GTX 860M SLI is 114 MHz higher, than GeForce GTX 660 Ti.
GeForce GTX 660 Ti and GeForce GTX 860M SLI are manufactured by 28 nm process technology.
Memory clock speed of GeForce GTX 860M SLI is 4994 MHz higher, than GeForce GTX 660 Ti.
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
21−24
21−24
ultra / 1080p
12−14
14−16
QHD / 1440p
8−9
8−9
4K / 2160p
5−6
5−6
low / 720p
40−45
40−45
medium / 1080p
27−30
27−30
GeForce GTX 660 Ti and GeForce GTX 860M SLI have the same average FPS in Assassin's Creed Odyssey.
high / 1080p
35−40
35−40
ultra / 1080p
30−35
30−35
QHD / 1440p
14−16
14−16
4K / 2160p
9−10
9−10
low / 720p
70−75
75−80
medium / 1080p
40−45
40−45
The average gaming FPS of GeForce GTX 860M SLI in Battlefield 5 is 2% more, than GeForce GTX 660 Ti.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
GeForce GTX 660 Ti and GeForce GTX 860M SLI have the same average FPS in Call of Duty: Warzone.
low / 768p
230−240
230−240
medium / 768p
210−220
210−220
ultra / 1080p
120−130
130−140
QHD / 1440p
100−110
100−110
4K / 2160p
55−60
55−60
high / 768p
170−180
170−180
The average gaming FPS of GeForce GTX 860M SLI in Counter-Strike: Global Offensive is 0% more, than GeForce GTX 660 Ti.
low / 768p
60−65
60−65
ultra / 1080p
55−60
55−60
medium / 1080p
55−60
55−60
GeForce GTX 660 Ti and GeForce GTX 860M SLI have the same average FPS in Cyberpunk 2077.
low / 768p
120−130
120−130
medium / 768p
110−120
110−120
ultra / 1080p
85−90
85−90
GeForce GTX 660 Ti and GeForce GTX 860M SLI have the same average FPS in Dota 2.
high / 1080p
27−30
27−30
ultra / 1080p
24−27
24−27
QHD / 1440p
20−22
21−24
4K / 2160p
9−10
9−10
low / 720p
55−60
55−60
medium / 1080p
30−33
30−33
The average gaming FPS of GeForce GTX 860M SLI in Far Cry 5 is 3% more, than GeForce GTX 660 Ti.
high / 1080p
35−40
35−40
ultra / 1080p
27−30
27−30
QHD / 1440p
16−18
16−18
low / 720p
130−140
130−140
medium / 1080p
75−80
80−85
The average gaming FPS of GeForce GTX 860M SLI in Fortnite is 1% more, than GeForce GTX 660 Ti.
high / 1080p
35−40
35−40
ultra / 1080p
27−30
27−30
QHD / 1440p
16−18
16−18
4K / 2160p
14−16
14−16
low / 720p
75−80
75−80
medium / 1080p
40−45
40−45
GeForce GTX 660 Ti and GeForce GTX 860M SLI have the same average FPS in Forza Horizon 4.
low / 768p
110−120
110−120
medium / 768p
95−100
100−105
high / 1080p
45−50
45−50
ultra / 1080p
18−20
18−20
QHD / 1440p
9−10
9−10
The average gaming FPS of GeForce GTX 860M SLI in Grand Theft Auto V is 1% more, than GeForce GTX 660 Ti.
high / 1080p
14−16
14−16
ultra / 1080p
10−12
12−14
QHD / 1440p
10−12
10−12
4K / 2160p
3−4
3−4
low / 720p
40−45
45−50
medium / 1080p
20−22
20−22
The average gaming FPS of GeForce GTX 860M SLI in Metro Exodus is 5% more, than GeForce GTX 660 Ti.
low / 768p
120−130
120−130
medium / 1080p
110−120
110−120
GeForce GTX 660 Ti and GeForce GTX 860M SLI have the same average FPS in Minecraft.
ultra / 1080p
14−16
14−16
low / 720p
75−80
75−80
medium / 1080p
18−20
18−20
GeForce GTX 660 Ti and GeForce GTX 860M SLI have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
high / 1080p
16−18
16−18
ultra / 1080p
10−12
10−12
QHD / 1440p
3−4
3−4
4K / 2160p
2−3
2−3
low / 720p
40−45
40−45
medium / 1080p
21−24
21−24
GeForce GTX 660 Ti and GeForce GTX 860M SLI have the same average FPS in Red Dead Redemption 2.
low / 768p
80−85
80−85
medium / 768p
50−55
50−55
high / 1080p
27−30
27−30
ultra / 1080p
16−18
16−18
4K / 2160p
9−10
9−10
GeForce GTX 660 Ti and GeForce GTX 860M SLI have the same average FPS in The Witcher 3: Wild Hunt.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
40−45
40−45
high / 768p
55−60
55−60
GeForce GTX 660 Ti and GeForce GTX 860M SLI have the same average FPS in World of Tanks.
Full Specs
GeForce GTX 660 Ti
GeForce GTX 860M SLI
Architecture
Kepler
Maxwell
Code name
GK104
Type
Desktop
Laptop
Release date
16 August 2012
12 March 2014
Pipelines
1344
1280
Core clock speed
915 MHz
1029 MHz
Boost Clock
980 MHz
Transistor count
3,540 million
2x 1870 Million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
102.5 billion/sec
Floating-point performance
2,459.5 gflops
Length
9.5" (24.1 cm)
Memory bus width
192-bit GDDR5
2x 128 Bit
Memory clock speed
6.0 GB/s
5000 MHz
Memory bandwidth
144.2 GB/s
Shared memory
-
-
DirectX
12 (11_0)
DirectX 12 (FL 11_0), Shader 5.0
Shader Model
5.1
OpenGL
4.3
OpenCL
1.2
Vulkan
1.1.126
CUDA
+
+
CUDA cores
1344
Bus support
PCI Express 3.0
Height
4.376" (11.1 cm)
SLI options
+
+
Multi monitor support
4 displays
HDMI
+
HDCP
+
Maximum VGA resolution
2048x1536
Audio input for HDMI
Internal
3D Blu-Ray
+
3D Gaming
+
3D Vision
+
Bitcoin / BTC (SHA256)
99 Mh/s
Laptop size
large
Optimus
+
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