GeForce GTX 660 Ti vs Radeon HD 7770M
Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 Ti 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 660 Ti 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.
Radeon HD 7770M is a Laptop Graphics Card
Note: Radeon HD 7770M 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 Radeon HD 7770M here:
Main Specs
GeForce GTX 660 Ti
Radeon HD 7770M
Power consumption (TDP)
150 Watt
32 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
Two 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
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GeForce GTX 660 Ti has 368% more power consumption, than Radeon HD 7770M.
GeForce GTX 660 Ti is connected by PCIe 3.0 x16, and Radeon HD 7770M uses PCIe 2.0 x16 interface.
GeForce GTX 660 Ti has 1 GB more memory, than Radeon HD 7770M.
GeForce GTX 660 Ti is used in Desktops, and Radeon HD 7770M - in Laptops.
GeForce GTX 660 Ti is build with Kepler architecture, and Radeon HD 7770M - with GCN.
Core clock speed of GeForce GTX 660 Ti is 240 MHz higher, than Radeon HD 7770M.
GeForce GTX 660 Ti and Radeon HD 7770M are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7770M is 3994 MHz higher, than GeForce GTX 660 Ti.
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
21−24
9−10
ultra / 1080p
12−14
5−6
QHD / 1440p
8−9
0−1
4K / 2160p
5−6
−
low / 720p
40−45
21−24
medium / 1080p
27−30
10−12
The average gaming FPS of GeForce GTX 660 Ti in Assassin's Creed Odyssey is 116% more, than Radeon HD 7770M.
high / 1080p
35−40
14−16
ultra / 1080p
30−35
12−14
QHD / 1440p
14−16
0−1
4K / 2160p
9−10
−
low / 720p
70−75
30−35
medium / 1080p
40−45
16−18
The average gaming FPS of GeForce GTX 660 Ti in Battlefield 5 is 142% more, than Radeon HD 7770M.
low / 768p
50−55
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 660 Ti in Call of Duty: Warzone is 10% more, than Radeon HD 7770M.
low / 768p
230−240
160−170
medium / 768p
210−220
130−140
ultra / 1080p
120−130
65−70
QHD / 1440p
100−110
35−40
4K / 2160p
55−60
27−30
high / 768p
170−180
100−110
The average gaming FPS of GeForce GTX 660 Ti in Counter-Strike: Global Offensive is 70% more, than Radeon HD 7770M.
low / 768p
60−65
55−60
ultra / 1080p
55−60
24−27
medium / 1080p
55−60
45−50
The average gaming FPS of GeForce GTX 660 Ti in Cyberpunk 2077 is 37% more, than Radeon HD 7770M.
low / 768p
120−130
90−95
medium / 768p
110−120
70−75
ultra / 1080p
85−90
40−45
The average gaming FPS of GeForce GTX 660 Ti in Dota 2 is 57% more, than Radeon HD 7770M.
high / 1080p
27−30
10−12
ultra / 1080p
24−27
10−11
QHD / 1440p
20−22
−
4K / 2160p
9−10
4−5
low / 720p
55−60
24−27
medium / 1080p
30−33
12−14
The average gaming FPS of GeForce GTX 660 Ti in Far Cry 5 is 150% more, than Radeon HD 7770M.
high / 1080p
35−40
18−20
ultra / 1080p
27−30
12−14
QHD / 1440p
16−18
−
low / 720p
130−140
70−75
medium / 1080p
75−80
30−35
The average gaming FPS of GeForce GTX 660 Ti in Fortnite is 102% more, than Radeon HD 7770M.
high / 1080p
35−40
16−18
ultra / 1080p
27−30
14−16
QHD / 1440p
16−18
3−4
4K / 2160p
14−16
−
low / 720p
75−80
30−35
medium / 1080p
40−45
18−20
The average gaming FPS of GeForce GTX 660 Ti in Forza Horizon 4 is 135% more, than Radeon HD 7770M.
low / 768p
110−120
60−65
medium / 768p
95−100
55−60
high / 1080p
45−50
18−20
ultra / 1080p
18−20
8−9
QHD / 1440p
9−10
0−1
The average gaming FPS of GeForce GTX 660 Ti in Grand Theft Auto V is 91% more, than Radeon HD 7770M.
high / 1080p
14−16
6−7
ultra / 1080p
10−12
4−5
QHD / 1440p
10−12
−
4K / 2160p
3−4
1−2
low / 720p
40−45
18−20
medium / 1080p
20−22
8−9
The average gaming FPS of GeForce GTX 660 Ti in Metro Exodus is 125% more, than Radeon HD 7770M.
low / 768p
120−130
100−110
high / 1080p
−
95−100
ultra / 1080p
−
85−90
medium / 1080p
110−120
95−100
The average gaming FPS of GeForce GTX 660 Ti in Minecraft is 18% more, than Radeon HD 7770M.
high / 1080p
−
18−20
ultra / 1080p
14−16
14−16
low / 720p
75−80
40−45
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GTX 660 Ti in PLAYERUNKNOWN'S BATTLEGROUNDS is 48% more, than Radeon HD 7770M.
high / 1080p
16−18
12−14
ultra / 1080p
10−12
8−9
QHD / 1440p
3−4
0−1
4K / 2160p
2−3
−
low / 720p
40−45
16−18
medium / 1080p
21−24
12−14
The average gaming FPS of GeForce GTX 660 Ti in Red Dead Redemption 2 is 91% more, than Radeon HD 7770M.
low / 768p
80−85
30−35
medium / 768p
50−55
21−24
high / 1080p
27−30
12−14
ultra / 1080p
16−18
7−8
4K / 2160p
9−10
7−8
The average gaming FPS of GeForce GTX 660 Ti in The Witcher 3: Wild Hunt is 137% more, than Radeon HD 7770M.
low / 768p
90−95
90−95
medium / 768p
60−65
50−55
ultra / 1080p
40−45
24−27
high / 768p
55−60
40−45
The average gaming FPS of GeForce GTX 660 Ti in World of Tanks is 18% more, than Radeon HD 7770M.
Full Specs
GeForce GTX 660 Ti
Radeon HD 7770M
Architecture
Kepler
GCN
Code name
GK104
Chelsea XT
Type
Desktop
Laptop
Release date
16 August 2012
24 April 2012
Pipelines
1344
512
Core clock speed
915 MHz
675 MHz
Boost Clock
980 MHz
Transistor count
3,540 million
1,500 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
102.5 billion/sec
21.60
Floating-point performance
2,459.5 gflops
691.2 gflops
Length
9.5" (24.1 cm)
Memory bus width
192-bit GDDR5
128 Bit
Memory clock speed
6.0 GB/s
4000 MHz
Memory bandwidth
144.2 GB/s
64 GB/s
Shared memory
-
-
DirectX
12 (11_0)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.3
4.6
OpenCL
1.2
1.2
Vulkan
1.1.126
1.2.131
CUDA
+
CUDA cores
1344
Bus support
PCI Express 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)
99 Mh/s
Laptop size
medium sized
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