GeForce GTX 660 Ti vs Radeon R9 390X
When choosing between GeForce GTX 660 Ti and Radeon R9 390X, 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 660 Ti and Radeon R9 390X.
Main Specs
GeForce GTX 660 Ti
Radeon R9 390X
Power consumption (TDP)
150 Watt
275 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
1 x 6-pin, 1 x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Check Price
Check Price
Radeon R9 390X has 83% more power consumption, than GeForce GTX 660 Ti.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Both cards are used in Desktops.
GeForce GTX 660 Ti is build with Kepler architecture, and Radeon R9 390X - with GCN.
GeForce GTX 660 Ti and Radeon R9 390X are manufactured by 28 nm process technology.
Radeon R9 390X is 266 mm longer, than GeForce GTX 660 Ti.
Memory clock speed of Radeon R9 390X is 1044 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
50−55
ultra / 1080p
12−14
30−35
QHD / 1440p
8−9
24−27
4K / 2160p
5−6
14−16
low / 720p
40−45
75−80
medium / 1080p
27−30
55−60
The average gaming FPS of Radeon R9 390X in Assassin's Creed Odyssey is 115% more, than GeForce GTX 660 Ti.
high / 1080p
35−40
75−80
ultra / 1080p
30−35
65−70
QHD / 1440p
14−16
50−55
4K / 2160p
9−10
27−30
low / 720p
70−75
130−140
medium / 1080p
40−45
85−90
The average gaming FPS of Radeon R9 390X in Battlefield 5 is 117% more, than GeForce GTX 660 Ti.
low / 768p
50−55
45−50
QHD / 1440p
0−1
45−50
The average gaming FPS of GeForce GTX 660 Ti in Call of Duty: Warzone is 10% more, than Radeon R9 390X.
low / 768p
230−240
250−260
medium / 768p
210−220
230−240
ultra / 1080p
120−130
−
QHD / 1440p
100−110
150−160
4K / 2160p
55−60
100−110
high / 768p
170−180
220−230
The average gaming FPS of Radeon R9 390X in Counter-Strike: Global Offensive is 24% more, than GeForce GTX 660 Ti.
low / 768p
60−65
70−75
ultra / 1080p
55−60
−
medium / 1080p
55−60
50−55
The average gaming FPS of Radeon R9 390X in Cyberpunk 2077 is 3% more, than GeForce GTX 660 Ti.
low / 768p
120−130
120−130
medium / 768p
110−120
110−120
ultra / 1080p
85−90
110−120
The average gaming FPS of Radeon R9 390X in Dota 2 is 8% more, than GeForce GTX 660 Ti.
high / 1080p
27−30
60−65
ultra / 1080p
24−27
60−65
QHD / 1440p
20−22
40−45
4K / 2160p
9−10
21−24
low / 720p
55−60
100−110
medium / 1080p
30−33
65−70
The average gaming FPS of Radeon R9 390X in Far Cry 5 is 114% more, than GeForce GTX 660 Ti.
high / 1080p
35−40
90−95
ultra / 1080p
27−30
70−75
QHD / 1440p
16−18
45−50
4K / 2160p
−
21−24
low / 720p
130−140
210−220
medium / 1080p
75−80
140−150
The average gaming FPS of Radeon R9 390X in Fortnite is 93% more, than GeForce GTX 660 Ti.
high / 1080p
35−40
80−85
ultra / 1080p
27−30
65−70
QHD / 1440p
16−18
45−50
4K / 2160p
14−16
30−35
low / 720p
75−80
130−140
medium / 1080p
40−45
90−95
The average gaming FPS of Radeon R9 390X in Forza Horizon 4 is 111% more, than GeForce GTX 660 Ti.
low / 768p
110−120
160−170
medium / 768p
95−100
150−160
high / 1080p
45−50
95−100
ultra / 1080p
18−20
45−50
QHD / 1440p
9−10
35−40
The average gaming FPS of Radeon R9 390X in Grand Theft Auto V is 75% more, than GeForce GTX 660 Ti.
high / 1080p
14−16
35−40
ultra / 1080p
10−12
30−35
QHD / 1440p
10−12
24−27
4K / 2160p
3−4
14−16
low / 720p
40−45
90−95
medium / 1080p
20−22
50−55
The average gaming FPS of Radeon R9 390X in Metro Exodus is 147% more, than GeForce GTX 660 Ti.
low / 768p
120−130
120−130
medium / 1080p
110−120
−
GeForce GTX 660 Ti and Radeon R9 390X have the same average FPS in Minecraft.
high / 1080p
−
75−80
ultra / 1080p
14−16
50−55
4K / 2160p
−
18−20
low / 720p
75−80
120−130
medium / 1080p
18−20
85−90
The average gaming FPS of Radeon R9 390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 137% more, than GeForce GTX 660 Ti.
high / 1080p
16−18
35−40
ultra / 1080p
10−12
21−24
QHD / 1440p
3−4
16−18
4K / 2160p
2−3
10−11
low / 720p
40−45
90−95
medium / 1080p
21−24
50−55
The average gaming FPS of Radeon R9 390X in Red Dead Redemption 2 is 137% more, than GeForce GTX 660 Ti.
low / 768p
80−85
180−190
medium / 768p
50−55
120−130
high / 1080p
27−30
70−75
ultra / 1080p
16−18
35−40
4K / 2160p
9−10
24−27
The average gaming FPS of Radeon R9 390X in The Witcher 3: Wild Hunt is 134% more, than GeForce GTX 660 Ti.
low / 768p
90−95
120−130
medium / 768p
60−65
−
ultra / 1080p
40−45
65−70
high / 768p
55−60
120−130
The average gaming FPS of Radeon R9 390X in World of Tanks is 64% more, than GeForce GTX 660 Ti.
Full Specs
GeForce GTX 660 Ti
Radeon R9 390X
Architecture
Kepler
GCN
Code name
GK104
Grenada XT
Type
Desktop
Desktop
Release date
16 August 2012
16 June 2015
Pipelines
1344
2816
Core clock speed
915 MHz
Boost Clock
980 MHz
1050 MHz
Transistor count
3,540 million
6,200 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
102.5 billion/sec
184.8
Floating-point performance
2,459.5 gflops
5,914 gflops
Length
9.5" (24.1 cm)
275 mm
Memory bus width
192-bit GDDR5
512 Bit
Memory clock speed
6.0 GB/s
1050 MHz
Memory bandwidth
144.2 GB/s
384 GB/s
Shared memory
-
-
DirectX
12 (11_0)
Shader Model
5.1
6.3
OpenGL
4.3
4.6
OpenCL
1.2
2.0
Vulkan
1.1.126
+
CUDA
+
FreeSync
+
CUDA cores
1344
Bus support
PCI Express 3.0
PCIe 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
684 Mh/s
Eyefinity
+
PowerTune
+
TrueAudio
+
Mantle
+
Design
reference
Bridgeless CrossFire
+
Number of Eyefinity displays
6
DisplayPort support
+
CrossFire
+
VCE
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
27.5 Mh/s
High bandwidth memory (HBM)
-
Check Price
Check Price
