GeForce GTX 660M Vs Radeon HD 7770 Graphics Cards Comparison

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Gagadget 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 Check Price Radeon HD 7770 Check Price

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:

GeForce GTX 660M Laptops

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
Check Price Check Price
  • 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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