GeForce GTX 660 vs GeForce GTX 950
Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 and GeForce GTX 950. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GTX 660 and GeForce GTX 950. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Main Specs
GeForce GTX 660
GeForce GTX 950
Power consumption (TDP)
140 Watt
90 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
1x 6-pins
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 3x DisplayPort
Recommended system power (PSU)
350 Watt
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GeForce GTX 660 has 55% more power consumption, than GeForce GTX 950.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GTX 660 and GeForce GTX 950 have maximum RAM of 2 GB.
Both cards are used in Desktops.
GeForce GTX 660 is build with Kepler architecture, and GeForce GTX 950 - with Maxwell.
Core clock speed of GeForce GTX 950 is 44 MHz higher, than GeForce GTX 660.
GeForce GTX 660 and GeForce GTX 950 are manufactured by 28 nm process technology.
GeForce GTX 660 is 2 mm longer, than GeForce GTX 950.
Memory clock speed of GeForce GTX 660 and GeForce GTX 950 is 6 MHz.
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
20−22
35−40
ultra / 1080p
12−14
21−24
QHD / 1440p
6−7
16−18
4K / 2160p
5−6
10−11
low / 720p
40−45
60−65
medium / 1080p
24−27
40−45
The average gaming FPS of GeForce GTX 950 in Assassin's Creed Odyssey is 68% more, than GeForce GTX 660.
high / 1080p
30−35
55−60
ultra / 1080p
27−30
45−50
QHD / 1440p
10−12
35−40
4K / 2160p
8−9
18−20
low / 720p
65−70
100−110
medium / 1080p
35−40
60−65
The average gaming FPS of GeForce GTX 950 in Battlefield 5 is 80% more, than GeForce GTX 660.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
GeForce GTX 660 and GeForce GTX 950 have the same average FPS in Call of Duty: Warzone.
low / 768p
230−240
250−260
medium / 768p
200−210
220−230
ultra / 1080p
120−130
180−190
QHD / 1440p
90−95
110−120
4K / 2160p
50−55
70−75
high / 768p
160−170
210−220
The average gaming FPS of GeForce GTX 950 in Counter-Strike: Global Offensive is 22% more, than GeForce GTX 660.
low / 768p
60−65
60−65
ultra / 1080p
50−55
−
medium / 1080p
55−60
55−60
GeForce GTX 660 and GeForce GTX 950 have the same average FPS in Cyberpunk 2077.
low / 768p
120−130
120−130
medium / 768p
100−110
110−120
ultra / 1080p
80−85
100−110
The average gaming FPS of GeForce GTX 950 in Dota 2 is 10% more, than GeForce GTX 660.
high / 1080p
24−27
45−50
ultra / 1080p
21−24
40−45
QHD / 1440p
18−20
27−30
4K / 2160p
8−9
14−16
low / 720p
50−55
80−85
medium / 1080p
27−30
45−50
The average gaming FPS of GeForce GTX 950 in Far Cry 5 is 65% more, than GeForce GTX 660.
high / 1080p
30−35
60−65
ultra / 1080p
24−27
45−50
QHD / 1440p
16−18
27−30
4K / 2160p
−
27−30
low / 720p
120−130
180−190
medium / 1080p
70−75
110−120
The average gaming FPS of GeForce GTX 950 in Fortnite is 61% more, than GeForce GTX 660.
high / 1080p
30−35
60−65
ultra / 1080p
24−27
45−50
QHD / 1440p
14−16
30−35
4K / 2160p
12−14
24−27
low / 720p
65−70
100−110
medium / 1080p
35−40
65−70
The average gaming FPS of GeForce GTX 950 in Forza Horizon 4 is 80% more, than GeForce GTX 660.
low / 768p
100−110
140−150
medium / 768p
90−95
120−130
high / 1080p
40−45
70−75
ultra / 1080p
16−18
30−35
QHD / 1440p
7−8
21−24
The average gaming FPS of GeForce GTX 950 in Grand Theft Auto V is 51% more, than GeForce GTX 660.
high / 1080p
12−14
24−27
ultra / 1080p
10−11
20−22
QHD / 1440p
10−11
16−18
4K / 2160p
3−4
8−9
low / 720p
40−45
65−70
medium / 1080p
18−20
30−35
The average gaming FPS of GeForce GTX 950 in Metro Exodus is 75% more, than GeForce GTX 660.
low / 768p
120−130
130−140
medium / 1080p
110−120
120−130
The average gaming FPS of GeForce GTX 950 in Minecraft is 8% more, than GeForce GTX 660.
ultra / 1080p
14−16
14−16
low / 720p
70−75
100−110
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GTX 950 in PLAYERUNKNOWN'S BATTLEGROUNDS is 31% more, than GeForce GTX 660.
high / 1080p
14−16
24−27
ultra / 1080p
10−11
16−18
QHD / 1440p
1−2
10−11
4K / 2160p
1−2
7−8
low / 720p
35−40
65−70
medium / 1080p
21−24
35−40
The average gaming FPS of GeForce GTX 950 in Red Dead Redemption 2 is 92% more, than GeForce GTX 660.
low / 768p
70−75
130−140
medium / 768p
45−50
85−90
high / 1080p
24−27
45−50
ultra / 1080p
14−16
24−27
4K / 2160p
8−9
16−18
The average gaming FPS of GeForce GTX 950 in The Witcher 3: Wild Hunt is 87% more, than GeForce GTX 660.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
40−45
50−55
high / 768p
55−60
60−65
The average gaming FPS of GeForce GTX 950 in World of Tanks is 6% more, than GeForce GTX 660.
Full Specs
GeForce GTX 660
GeForce GTX 950
Architecture
Kepler
Maxwell
Code name
GK106
GM206
Type
Desktop
Desktop
Release date
6 September 2012
20 August 2015
Pipelines
960
768
Core clock speed
980 MHz
1024 MHz
Boost Clock
1033 MHz
1188 MHz
Transistor count
2,540 million
2,940 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
78.4 billion/sec
49.2 billion/sec
Floating-point performance
1,981 gflops
1,825 gflops
Length
9.5" (24.1 cm)
7.938" (20.2 cm)
Memory bus width
192-bit GDDR5
128 Bit
Memory clock speed
6.0 GB/s
6.6 GB/s
Memory bandwidth
144.2 GB/s
105.6 GB/s
Shared memory
-
G-SYNC support
+
DirectX
12 (11_0)
12 (12_1)
Shader Model
5.1
6.4
OpenGL
4.3
4.5
OpenCL
1.2
1.2
Vulkan
1.1.126
1.1.126
CUDA
+
+
CUDA cores
960
768
Bus support
PCI Express 3.0
PCI Express 3.0
Height
4.376" (11.1 cm)
4.376" (11.1 cm)
SLI options
+
+
Multi monitor support
4 displays
4 displays
HDMI
+
HDCP
+
+
Maximum VGA resolution
2048x1536
2048x1536
Audio input for HDMI
Internal
Internal
3D Blu-Ray
+
3D Gaming
+
3D Vision
+
Bitcoin / BTC (SHA256)
66 Mh/s
233 Mh/s
Ethereum / ETH (DaggerHashimoto)
9.97 Mh/s
GameStream
+
GeForce ShadowPlay
+
GPU Boost
2.0
GameWorks
+
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