GeForce GTX 660M vs Radeon R9 270X
Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660M and Radeon R9 270X. 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 660M and Radeon R9 270X. 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.
GeForce GTX 660M is a Laptop Graphics Card
Note: GeForce GTX 660M 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 660M here:
Main Specs
GeForce GTX 660M
Radeon R9 270X
Power consumption (TDP)
50 Watt
180 Watt
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon R9 270X has 260% more power consumption, than GeForce GTX 660M.
GeForce GTX 660M is connected by MXM-B (3.0), and Radeon R9 270X uses PCIe 3.0 x16 interface.
GeForce GTX 660M and Radeon R9 270X have maximum RAM of 2 GB.
GeForce GTX 660M is used in Laptops, and Radeon R9 270X - in Desktops.
GeForce GTX 660M is build with Kepler architecture, and Radeon R9 270X - with GCN.
GeForce GTX 660M 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
6−7
24−27
ultra / 1080p
4−5
14−16
QHD / 1440p
0−1
10−11
4K / 2160p
−
6−7
low / 720p
16−18
45−50
medium / 1080p
8−9
30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 233% more, than GeForce GTX 660M.
high / 1080p
12−14
40−45
ultra / 1080p
10−11
30−35
QHD / 1440p
0−1
18−20
4K / 2160p
−
10−12
low / 720p
24−27
80−85
medium / 1080p
12−14
45−50
The average gaming FPS of Radeon R9 270X in Battlefield 5 is 240% more, than GeForce GTX 660M.
low / 768p
45−50
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 270X in Call of Duty: Warzone is 10% more, than GeForce GTX 660M.
low / 768p
130−140
240−250
medium / 768p
110−120
210−220
ultra / 1080p
50−55
140−150
QHD / 1440p
27−30
110−120
4K / 2160p
27−30
60−65
high / 768p
80−85
180−190
The average gaming FPS of Radeon R9 270X in Counter-Strike: Global Offensive is 120% more, than GeForce GTX 660M.
low / 768p
55−60
60−65
ultra / 1080p
18−20
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 270X in Cyberpunk 2077 is 15% more, than GeForce GTX 660M.
low / 768p
80−85
120−130
medium / 768p
55−60
110−120
ultra / 1080p
30−35
90−95
The average gaming FPS of Radeon R9 270X in Dota 2 is 92% more, than GeForce GTX 660M.
high / 1080p
8−9
30−35
ultra / 1080p
7−8
27−30
QHD / 1440p
−
21−24
4K / 2160p
3−4
10−11
low / 720p
18−20
60−65
medium / 1080p
8−9
30−35
The average gaming FPS of Radeon R9 270X in Far Cry 5 is 266% more, than GeForce GTX 660M.
high / 1080p
14−16
40−45
ultra / 1080p
10−11
30−35
QHD / 1440p
−
18−20
low / 720p
60−65
140−150
medium / 1080p
21−24
85−90
The average gaming FPS of Radeon R9 270X in Fortnite is 181% more, than GeForce GTX 660M.
high / 1080p
12−14
40−45
ultra / 1080p
10−12
30−35
QHD / 1440p
1−2
18−20
4K / 2160p
−
16−18
low / 720p
24−27
80−85
medium / 1080p
14−16
45−50
The average gaming FPS of Radeon R9 270X in Forza Horizon 4 is 238% more, than GeForce GTX 660M.
low / 768p
50−55
110−120
medium / 768p
45−50
100−110
high / 1080p
12−14
50−55
ultra / 1080p
6−7
21−24
QHD / 1440p
0−1
10−12
The average gaming FPS of Radeon R9 270X in Grand Theft Auto V is 151% more, than GeForce GTX 660M.
high / 1080p
4−5
16−18
ultra / 1080p
3−4
12−14
QHD / 1440p
−
12−14
4K / 2160p
0−1
4−5
low / 720p
12−14
45−50
medium / 1080p
6−7
21−24
The average gaming FPS of Radeon R9 270X in Metro Exodus is 316% more, than GeForce GTX 660M.
low / 768p
95−100
120−130
high / 1080p
90−95
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
110−120
The average gaming FPS of Radeon R9 270X in Minecraft is 26% more, than GeForce GTX 660M.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
80−85
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon R9 270X in PLAYERUNKNOWN'S BATTLEGROUNDS is 72% more, than GeForce GTX 660M.
high / 1080p
−
18−20
ultra / 1080p
7−8
12−14
QHD / 1440p
0−1
4−5
4K / 2160p
−
3−4
low / 720p
12−14
45−50
medium / 1080p
10−12
24−27
The average gaming FPS of Radeon R9 270X in Red Dead Redemption 2 is 180% more, than GeForce GTX 660M.
low / 768p
24−27
90−95
medium / 768p
16−18
55−60
high / 1080p
9−10
30−35
ultra / 1080p
6−7
18−20
4K / 2160p
6−7
10−11
The average gaming FPS of Radeon R9 270X in The Witcher 3: Wild Hunt is 223% more, than GeForce GTX 660M.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
18−20
45−50
high / 768p
35−40
55−60
The average gaming FPS of Radeon R9 270X in World of Tanks is 38% more, than GeForce GTX 660M.
Full Specs
GeForce GTX 660M
Radeon R9 270X
Architecture
Kepler
GCN
Code name
N13E-GE
Curacao XT
Type
Laptop
Desktop
Release date
22 March 2012
8 October 2013
Pipelines
384
1280
Core clock speed
835 MHz
Boost Clock
950 MHz
1050 MHz
Transistor count
1,270 million
2,800 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
30.4 billion/sec
84.00
Floating-point performance
729.6 gflops
2,688 gflops
Memory bus width
128bit
256 Bit
Memory clock speed
2000 MHz
Memory bandwidth
64.0 GB/s
179.2 GB/s
Shared memory
-
-
DirectX
12 API
Shader Model
5.1
5.1
OpenGL
4.5
4.6
OpenCL
1.1
1.2
Vulkan
1.1.126
+
CUDA
+
FreeSync
+
CUDA cores
384
Bus support
PCI Express 2.0, PCI Express 3.0
PCIe 3.0
SLI options
+
HDMI
+
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
Bitcoin / BTC (SHA256)
36 Mh/s
318 Mh/s
Laptop size
large
Optimus
+
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
+
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