GeForce GTX 660M vs GeForce GTX 870M
When choosing between GeForce GTX 660M and GeForce GTX 870M, 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 660M and GeForce GTX 870M.
GeForce GTX 660M and GeForce GTX 870M are Laptop Graphics Cards
Note: GeForce GTX 660M and GeForce GTX 870M are only used in laptop graphics. They have 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 660M or GeForce GTX 870M here:
Main Specs
GeForce GTX 660M
GeForce GTX 870M
Power consumption (TDP)
50 Watt
100 Watt
Interface
MXM-B (3.0)
MXM-B (3.0)
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
6 GB
Display Connectors
No outputs
No outputs
Check Price
Check Price
GeForce GTX 870M has 100% more power consumption, than GeForce GTX 660M.
Both video cards are using MXM-B (3.0) interface connection to a motherboard.
GeForce GTX 870M has 4 GB more memory, than GeForce GTX 660M.
Both cards are used in Laptops.
GeForce GTX 660M and GeForce GTX 870M are build with Kepler architecture.
Core clock speed of GeForce GTX 870M is 106 MHz higher, than GeForce GTX 660M.
GeForce GTX 660M and GeForce GTX 870M are manufactured by 28 nm process technology.
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
6−7
16−18
ultra / 1080p
4−5
10−11
QHD / 1440p
0−1
4−5
low / 720p
16−18
35−40
medium / 1080p
8−9
21−24
The average gaming FPS of GeForce GTX 870M in Assassin's Creed Odyssey is 133% more, than GeForce GTX 660M.
high / 1080p
12−14
27−30
ultra / 1080p
10−11
24−27
QHD / 1440p
0−1
7−8
4K / 2160p
−
6−7
low / 720p
24−27
60−65
medium / 1080p
12−14
30−35
The average gaming FPS of GeForce GTX 870M in Battlefield 5 is 146% more, than GeForce GTX 660M.
low / 768p
45−50
50−55
high / 1080p
45−50
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 870M in Call of Duty: Warzone is 10% more, than GeForce GTX 660M.
low / 768p
130−140
220−230
medium / 768p
110−120
190−200
ultra / 1080p
50−55
100−110
QHD / 1440p
27−30
65−70
4K / 2160p
27−30
35−40
high / 768p
80−85
150−160
The average gaming FPS of GeForce GTX 870M in Counter-Strike: Global Offensive is 78% more, than GeForce GTX 660M.
low / 768p
55−60
60−65
ultra / 1080p
18−20
45−50
medium / 1080p
45−50
55−60
The average gaming FPS of GeForce GTX 870M in Cyberpunk 2077 is 34% more, than GeForce GTX 660M.
low / 768p
80−85
110−120
medium / 768p
55−60
100−110
ultra / 1080p
30−35
70−75
The average gaming FPS of GeForce GTX 870M in Dota 2 is 70% more, than GeForce GTX 660M.
high / 1080p
8−9
21−24
ultra / 1080p
7−8
18−20
QHD / 1440p
−
18−20
4K / 2160p
3−4
6−7
low / 720p
18−20
45−50
medium / 1080p
8−9
21−24
The average gaming FPS of GeForce GTX 870M in Far Cry 5 is 155% more, than GeForce GTX 660M.
high / 1080p
14−16
27−30
ultra / 1080p
10−11
21−24
QHD / 1440p
−
14−16
low / 720p
60−65
110−120
medium / 1080p
21−24
60−65
The average gaming FPS of GeForce GTX 870M in Fortnite is 111% more, than GeForce GTX 660M.
high / 1080p
12−14
30−33
ultra / 1080p
10−12
21−24
QHD / 1440p
1−2
10−12
low / 720p
24−27
60−65
medium / 1080p
14−16
30−35
The average gaming FPS of GeForce GTX 870M in Forza Horizon 4 is 146% more, than GeForce GTX 660M.
low / 768p
50−55
95−100
medium / 768p
45−50
85−90
high / 1080p
12−14
35−40
ultra / 1080p
6−7
14−16
QHD / 1440p
0−1
4−5
The average gaming FPS of GeForce GTX 870M in Grand Theft Auto V is 103% more, than GeForce GTX 660M.
high / 1080p
4−5
10−12
ultra / 1080p
3−4
8−9
4K / 2160p
0−1
2−3
low / 720p
12−14
35−40
medium / 1080p
6−7
14−16
The average gaming FPS of GeForce GTX 870M in Metro Exodus is 200% more, than GeForce GTX 660M.
low / 768p
95−100
110−120
high / 1080p
90−95
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
110−120
The average gaming FPS of GeForce GTX 870M in Minecraft is 21% more, than GeForce GTX 660M.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
65−70
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GTX 870M in PLAYERUNKNOWN'S BATTLEGROUNDS is 50% more, than GeForce GTX 660M.
high / 1080p
−
14−16
ultra / 1080p
7−8
9−10
QHD / 1440p
0−1
0−1
low / 720p
12−14
30−35
medium / 1080p
10−12
18−20
The average gaming FPS of GeForce GTX 870M in Red Dead Redemption 2 is 100% more, than GeForce GTX 660M.
low / 768p
24−27
65−70
medium / 768p
16−18
40−45
high / 1080p
9−10
21−24
ultra / 1080p
6−7
12−14
4K / 2160p
6−7
7−8
The average gaming FPS of GeForce GTX 870M in The Witcher 3: Wild Hunt is 130% more, than GeForce GTX 660M.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
18−20
35−40
high / 768p
35−40
55−60
The average gaming FPS of GeForce GTX 870M in World of Tanks is 31% more, than GeForce GTX 660M.
Full Specs
GeForce GTX 660M
GeForce GTX 870M
Architecture
Kepler
Kepler
Code name
N13E-GE
N15P-GT
Type
Laptop
Laptop
Release date
22 March 2012
12 March 2014
Pipelines
384
1344
Core clock speed
835 MHz
941 MHz
Boost Clock
950 MHz
967 MHz
Transistor count
1,270 million
3,540 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
30.4 billion/sec
108.3
Floating-point performance
729.6 gflops
2,599 gflops
Memory bus width
128bit
192 Bit
Memory clock speed
2000 MHz
Memory bandwidth
64.0 GB/s
120.0 GB/s
Shared memory
-
-
DirectX
12 API
12 (11_0)
Shader Model
5.1
5.1
OpenGL
4.5
4.5
OpenCL
1.1
1.1
Vulkan
1.1.126
1.1.126
CUDA
+
+
CUDA cores
384
1344
Bus support
PCI Express 2.0, PCI Express 3.0
PCI Express 2.0, PCI Express 3.0
SLI options
+
+
HDMI
+
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
Bitcoin / BTC (SHA256)
36 Mh/s
82 Mh/s
Laptop size
large
large
Standard memory configuration
GDDR5
eDP 1.2 signal support
Up to 3840x2160
LVDS signal support
Up to 1920x1200
DisplayPort Multimode (DP++) support
Up to 3840x2160
HDCP content protection
+
7.1 channel HD audio on HDMI
+
TrueHD and DTS-HD audio bitstreaming
+
H.264, VC1, MPEG2 1080p video decoder
+
Optimus
+
+
Check Price
Check Price
