GeForce GTX 660M vs Radeon HD 7770
When choosing between GeForce GTX 660M and Radeon HD 7770, 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 Radeon HD 7770.
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 HD 7770
Power consumption (TDP)
50 Watt
Interface
MXM-B (3.0)
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
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GeForce GTX 660M and Radeon HD 7770 have maximum RAM of 2 GB.
GeForce GTX 660M is used in Laptops, and Radeon HD 7770 - in Desktops.
GeForce GTX 660M is build with Kepler architecture, and Radeon HD 7770 - with GCN.
Core clock speed of Radeon HD 7770 is 165 MHz higher, than GeForce GTX 660M.
GeForce GTX 660M and Radeon HD 7770 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7770 is 2500 MHz higher, than GeForce GTX 660M.
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
10−11
ultra / 1080p
4−5
6−7
QHD / 1440p
0−1
1−2
low / 720p
16−18
24−27
medium / 1080p
8−9
12−14
The average gaming FPS of Radeon HD 7770 in Assassin's Creed Odyssey is 44% more, than GeForce GTX 660M.
high / 1080p
12−14
16−18
ultra / 1080p
10−11
14−16
QHD / 1440p
0−1
1−2
low / 720p
24−27
35−40
medium / 1080p
12−14
18−20
The average gaming FPS of Radeon HD 7770 in Battlefield 5 is 46% more, than GeForce GTX 660M.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
GeForce GTX 660M and Radeon HD 7770 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
170−180
medium / 768p
110−120
140−150
ultra / 1080p
50−55
75−80
QHD / 1440p
27−30
40−45
4K / 2160p
27−30
30−33
high / 768p
80−85
110−120
The average gaming FPS of Radeon HD 7770 in Counter-Strike: Global Offensive is 32% more, than GeForce GTX 660M.
low / 768p
55−60
55−60
ultra / 1080p
18−20
27−30
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 7770 in Cyberpunk 2077 is 7% more, than GeForce GTX 660M.
low / 768p
80−85
95−100
medium / 768p
55−60
75−80
ultra / 1080p
30−35
45−50
The average gaming FPS of Radeon HD 7770 in Dota 2 is 29% more, than GeForce GTX 660M.
high / 1080p
8−9
12−14
ultra / 1080p
7−8
10−12
4K / 2160p
3−4
5−6
low / 720p
18−20
27−30
medium / 1080p
8−9
12−14
The average gaming FPS of Radeon HD 7770 in Far Cry 5 is 55% more, than GeForce GTX 660M.
high / 1080p
14−16
18−20
ultra / 1080p
10−11
14−16
low / 720p
60−65
80−85
medium / 1080p
21−24
35−40
The average gaming FPS of Radeon HD 7770 in Fortnite is 40% more, than GeForce GTX 660M.
high / 1080p
12−14
18−20
ultra / 1080p
10−12
14−16
QHD / 1440p
1−2
5−6
low / 720p
24−27
35−40
medium / 1080p
14−16
21−24
The average gaming FPS of Radeon HD 7770 in Forza Horizon 4 is 46% more, than GeForce GTX 660M.
low / 768p
50−55
65−70
medium / 768p
45−50
60−65
high / 1080p
12−14
21−24
ultra / 1080p
6−7
9−10
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7770 in Grand Theft Auto V is 37% more, than GeForce GTX 660M.
high / 1080p
4−5
7−8
ultra / 1080p
3−4
5−6
4K / 2160p
0−1
1−2
low / 720p
12−14
20−22
medium / 1080p
6−7
9−10
The average gaming FPS of Radeon HD 7770 in Metro Exodus is 66% more, than GeForce GTX 660M.
low / 768p
95−100
100−110
high / 1080p
90−95
−
ultra / 1080p
80−85
90−95
medium / 1080p
90−95
100−105
The average gaming FPS of Radeon HD 7770 in Minecraft is 11% more, than GeForce GTX 660M.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
16−18
low / 720p
30−35
45−50
medium / 1080p
18−20
21−24
The average gaming FPS of Radeon HD 7770 in PLAYERUNKNOWN'S BATTLEGROUNDS is 30% more, than GeForce GTX 660M.
high / 1080p
−
12−14
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
20−22
medium / 1080p
10−12
12−14
The average gaming FPS of Radeon HD 7770 in Red Dead Redemption 2 is 40% more, than GeForce GTX 660M.
low / 768p
24−27
35−40
medium / 768p
16−18
24−27
high / 1080p
9−10
14−16
ultra / 1080p
6−7
8−9
4K / 2160p
6−7
7−8
The average gaming FPS of Radeon HD 7770 in The Witcher 3: Wild Hunt is 38% more, than GeForce GTX 660M.
low / 768p
85−90
95−100
medium / 768p
45−50
55−60
ultra / 1080p
18−20
27−30
high / 768p
35−40
45−50
The average gaming FPS of Radeon HD 7770 in World of Tanks is 21% more, than GeForce GTX 660M.
Full Specs
GeForce GTX 660M
Radeon HD 7770
Architecture
Kepler
GCN
Code name
N13E-GE
Cape Verde
Type
Laptop
Desktop
Release date
22 March 2012
15 February 2012
Pipelines
384
640
Core clock speed
835 MHz
1000 MHz
Boost Clock
950 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
30.4 billion/sec
Floating-point performance
729.6 gflops
Memory bus width
128bit
128 Bit
Memory clock speed
2000 MHz
4500 MHz
Memory bandwidth
64.0 GB/s
Shared memory
-
-
DirectX
12 API
DirectX 11.1, Shader 5.1
Shader Model
5.1
OpenGL
4.5
OpenCL
1.1
Vulkan
1.1.126
CUDA
+
CUDA cores
384
Bus support
PCI Express 2.0, PCI Express 3.0
SLI options
+
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
Bitcoin / BTC (SHA256)
36 Mh/s
156 Mh/s
Laptop size
large
Optimus
+
Eyefinity
+
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