GeForce GTX 660M vs Radeon HD 7770M
Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660M and Radeon HD 7770M. 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 HD 7770M. 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 and Radeon HD 7770M are Laptop Graphics Cards
Note: GeForce GTX 660M and Radeon HD 7770M 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 Radeon HD 7770M here:
Main Specs
GeForce GTX 660M
Radeon HD 7770M
Power consumption (TDP)
50 Watt
32 Watt
Interface
MXM-B (3.0)
PCIe 2.0 x16
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
No outputs
No outputs
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Check Price
GeForce GTX 660M has 56% more power consumption, than Radeon HD 7770M.
GeForce GTX 660M is connected by MXM-B (3.0), and Radeon HD 7770M uses PCIe 2.0 x16 interface.
GeForce GTX 660M has 1 GB more memory, than Radeon HD 7770M.
Both cards are used in Laptops.
GeForce GTX 660M is build with Kepler architecture, and Radeon HD 7770M - with GCN.
Core clock speed of GeForce GTX 660M is 160 MHz higher, than Radeon HD 7770M.
GeForce GTX 660M and Radeon HD 7770M are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7770M is 2000 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
9−10
ultra / 1080p
4−5
5−6
QHD / 1440p
0−1
0−1
low / 720p
16−18
21−24
medium / 1080p
8−9
10−12
The average gaming FPS of Radeon HD 7770M in Assassin's Creed Odyssey is 33% more, than GeForce GTX 660M.
high / 1080p
12−14
14−16
ultra / 1080p
10−11
12−14
QHD / 1440p
0−1
0−1
low / 720p
24−27
30−35
medium / 1080p
12−14
16−18
The average gaming FPS of Radeon HD 7770M in Battlefield 5 is 26% 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 7770M have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
160−170
medium / 768p
110−120
130−140
ultra / 1080p
50−55
65−70
QHD / 1440p
27−30
35−40
4K / 2160p
27−30
27−30
high / 768p
80−85
100−110
The average gaming FPS of Radeon HD 7770M in Counter-Strike: Global Offensive is 21% more, than GeForce GTX 660M.
low / 768p
55−60
55−60
ultra / 1080p
18−20
24−27
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 7770M in Cyberpunk 2077 is 4% more, than GeForce GTX 660M.
low / 768p
80−85
90−95
medium / 768p
55−60
70−75
ultra / 1080p
30−35
40−45
The average gaming FPS of Radeon HD 7770M in Dota 2 is 21% more, than GeForce GTX 660M.
high / 1080p
8−9
10−12
ultra / 1080p
7−8
10−11
4K / 2160p
3−4
4−5
low / 720p
18−20
24−27
medium / 1080p
8−9
12−14
The average gaming FPS of Radeon HD 7770M in Far Cry 5 is 33% more, than GeForce GTX 660M.
high / 1080p
14−16
18−20
ultra / 1080p
10−11
12−14
low / 720p
60−65
70−75
medium / 1080p
21−24
30−35
The average gaming FPS of Radeon HD 7770M in Fortnite is 25% more, than GeForce GTX 660M.
high / 1080p
12−14
16−18
ultra / 1080p
10−12
14−16
QHD / 1440p
1−2
3−4
low / 720p
24−27
30−35
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7770M in Forza Horizon 4 is 30% more, than GeForce GTX 660M.
low / 768p
50−55
60−65
medium / 768p
45−50
55−60
high / 1080p
12−14
18−20
ultra / 1080p
6−7
8−9
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7770M in Grand Theft Auto V is 24% more, than GeForce GTX 660M.
high / 1080p
4−5
6−7
ultra / 1080p
3−4
4−5
4K / 2160p
0−1
1−2
low / 720p
12−14
18−20
medium / 1080p
6−7
8−9
The average gaming FPS of Radeon HD 7770M in Metro Exodus is 50% more, than GeForce GTX 660M.
low / 768p
95−100
100−110
high / 1080p
90−95
95−100
ultra / 1080p
80−85
85−90
medium / 1080p
90−95
95−100
The average gaming FPS of Radeon HD 7770M in Minecraft is 5% more, than GeForce GTX 660M.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
14−16
low / 720p
30−35
40−45
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7770M in PLAYERUNKNOWN'S BATTLEGROUNDS is 15% 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
16−18
medium / 1080p
10−12
12−14
The average gaming FPS of Radeon HD 7770M in Red Dead Redemption 2 is 20% more, than GeForce GTX 660M.
low / 768p
24−27
30−35
medium / 768p
16−18
21−24
high / 1080p
9−10
12−14
ultra / 1080p
6−7
7−8
4K / 2160p
6−7
7−8
The average gaming FPS of Radeon HD 7770M in The Witcher 3: Wild Hunt is 23% more, than GeForce GTX 660M.
low / 768p
85−90
90−95
medium / 768p
45−50
50−55
ultra / 1080p
18−20
24−27
high / 768p
35−40
40−45
The average gaming FPS of Radeon HD 7770M in World of Tanks is 12% more, than GeForce GTX 660M.
Full Specs
GeForce GTX 660M
Radeon HD 7770M
Architecture
Kepler
GCN
Code name
N13E-GE
Chelsea XT
Type
Laptop
Laptop
Release date
22 March 2012
24 April 2012
Pipelines
384
512
Core clock speed
835 MHz
675 MHz
Boost Clock
950 MHz
Transistor count
1,270 million
1,500 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
30.4 billion/sec
21.60
Floating-point performance
729.6 gflops
691.2 gflops
Memory bus width
128bit
128 Bit
Memory clock speed
2000 MHz
4000 MHz
Memory bandwidth
64.0 GB/s
64 GB/s
Shared memory
-
-
DirectX
12 API
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.5
4.6
OpenCL
1.1
1.2
Vulkan
1.1.126
1.2.131
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
Laptop size
large
medium sized
Optimus
+
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