GeForce GTX 660 vs Radeon R9 270X
In this comparison between GeForce GTX 660 and Radeon R9 270X 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 GTX 660 will be the best choice, for others Radeon R9 270X will be their preference. Study the comparison tables below and make your choice.
Main Specs
GeForce GTX 660
Radeon R9 270X
Power consumption (TDP)
140 Watt
180 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
2 x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Check Price
Check Price
Radeon R9 270X has 28% more power consumption, than GeForce GTX 660.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GTX 660 and Radeon R9 270X have maximum RAM of 2 GB.
Both cards are used in Desktops.
GeForce GTX 660 is build with Kepler architecture, and Radeon R9 270X - with GCN.
GeForce GTX 660 and Radeon R9 270X 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
20−22
24−27
ultra / 1080p
12−14
14−16
QHD / 1440p
6−7
10−11
4K / 2160p
5−6
6−7
low / 720p
40−45
45−50
medium / 1080p
24−27
30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 15% more, than GeForce GTX 660.
high / 1080p
30−35
40−45
ultra / 1080p
27−30
30−35
QHD / 1440p
10−12
18−20
4K / 2160p
8−9
10−12
low / 720p
65−70
80−85
medium / 1080p
35−40
45−50
The average gaming FPS of Radeon R9 270X in Battlefield 5 is 30% more, than GeForce GTX 660.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
GeForce GTX 660 and Radeon R9 270X have the same average FPS in Call of Duty: Warzone.
low / 768p
230−240
240−250
medium / 768p
200−210
210−220
ultra / 1080p
120−130
140−150
QHD / 1440p
90−95
110−120
4K / 2160p
50−55
60−65
high / 768p
160−170
180−190
The average gaming FPS of Radeon R9 270X in Counter-Strike: Global Offensive is 11% 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 Radeon R9 270X have the same average FPS in Cyberpunk 2077.
low / 768p
120−130
120−130
medium / 768p
100−110
110−120
ultra / 1080p
80−85
90−95
The average gaming FPS of Radeon R9 270X in Dota 2 is 5% more, than GeForce GTX 660.
high / 1080p
24−27
30−35
ultra / 1080p
21−24
27−30
QHD / 1440p
18−20
21−24
4K / 2160p
8−9
10−11
low / 720p
50−55
60−65
medium / 1080p
27−30
30−35
The average gaming FPS of Radeon R9 270X in Far Cry 5 is 19% more, than GeForce GTX 660.
high / 1080p
30−35
40−45
ultra / 1080p
24−27
30−35
QHD / 1440p
16−18
18−20
low / 720p
120−130
140−150
medium / 1080p
70−75
85−90
The average gaming FPS of Radeon R9 270X in Fortnite is 20% more, than GeForce GTX 660.
high / 1080p
30−35
40−45
ultra / 1080p
24−27
30−35
QHD / 1440p
14−16
18−20
4K / 2160p
12−14
16−18
low / 720p
65−70
80−85
medium / 1080p
35−40
45−50
The average gaming FPS of Radeon R9 270X in Forza Horizon 4 is 29% more, than GeForce GTX 660.
low / 768p
100−110
110−120
medium / 768p
90−95
100−110
high / 1080p
40−45
50−55
ultra / 1080p
16−18
21−24
QHD / 1440p
7−8
10−12
The average gaming FPS of Radeon R9 270X in Grand Theft Auto V is 17% more, than GeForce GTX 660.
high / 1080p
12−14
16−18
ultra / 1080p
10−11
12−14
QHD / 1440p
10−11
12−14
4K / 2160p
3−4
4−5
low / 720p
40−45
45−50
medium / 1080p
18−20
21−24
The average gaming FPS of Radeon R9 270X in Metro Exodus is 18% more, than GeForce GTX 660.
low / 768p
120−130
120−130
medium / 1080p
110−120
110−120
GeForce GTX 660 and Radeon R9 270X have the same average FPS in Minecraft.
ultra / 1080p
14−16
14−16
low / 720p
70−75
80−85
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon R9 270X in PLAYERUNKNOWN'S BATTLEGROUNDS is 8% more, than GeForce GTX 660.
high / 1080p
14−16
18−20
ultra / 1080p
10−11
12−14
QHD / 1440p
1−2
4−5
4K / 2160p
1−2
3−4
low / 720p
35−40
45−50
medium / 1080p
21−24
24−27
The average gaming FPS of Radeon R9 270X in Red Dead Redemption 2 is 28% more, than GeForce GTX 660.
low / 768p
70−75
90−95
medium / 768p
45−50
55−60
high / 1080p
24−27
30−35
ultra / 1080p
14−16
18−20
4K / 2160p
8−9
10−11
The average gaming FPS of Radeon R9 270X in The Witcher 3: Wild Hunt is 27% more, than GeForce GTX 660.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
40−45
45−50
high / 768p
55−60
55−60
The average gaming FPS of Radeon R9 270X in World of Tanks is 3% more, than GeForce GTX 660.
Full Specs
GeForce GTX 660
Radeon R9 270X
Architecture
Kepler
GCN
Code name
GK106
Curacao XT
Type
Desktop
Desktop
Release date
6 September 2012
8 October 2013
Pipelines
960
1280
Core clock speed
980 MHz
Boost Clock
1033 MHz
1050 MHz
Transistor count
2,540 million
2,800 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
78.4 billion/sec
84.00
Floating-point performance
1,981 gflops
2,688 gflops
Length
9.5" (24.1 cm)
Memory bus width
192-bit GDDR5
256 Bit
Memory clock speed
6.0 GB/s
Memory bandwidth
144.2 GB/s
179.2 GB/s
Shared memory
-
DirectX
12 (11_0)
Shader Model
5.1
5.1
OpenGL
4.3
4.6
OpenCL
1.2
1.2
Vulkan
1.1.126
+
CUDA
+
FreeSync
+
CUDA cores
960
Bus support
PCI Express 3.0
PCIe 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)
66 Mh/s
318 Mh/s
Eyefinity
+
HD3D
+
TrueAudio
+
Design
reference
DisplayPort support
+
CrossFire
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
30 Mh/s
Zcash / ZEC (Equihash)
163 Sol/s
AppAcceleration
+
LiquidVR
+
TressFX
+
UVD
+
Check Price
Check Price