Radeon R9 390X and GeForce GTX 1660 Ti Max-Q - video card comparison
Passmark - benchmark score Radeon R9 390X vs GeForce GTX 1660 Ti Max-Q
Radeon R9 390X
9722
GeForce GTX 1660 Ti Max-Q
9078
Radeon R9 390X
GeForce GTX 1660 Ti Max-Q
Architecture
GCN (2011−2017)
Turing (2018−2021)
GPU code name
Grenada XT
N18E-G0
Market segment
Desktop
Laptop
Release date
June 2015
April 2019
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
None
Bridgeless CrossFire
1
-
Boost clock speed
1050 MHz
1335 MHz
Core clock speed
-
1140 MHz
Floating-point performance
5,914 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
6,200 million
6,600 million
Pipelines / CUDA cores
2816
1536
Power consumption (TDP)
275 Watt
60 Watt
Texture fill rate
184.8
128.2
Memory type
GDDR5
GDDR6
Maximum RAM amount
0 MB
6 GB
Memory bus width
512 Bit
192 Bit
Memory clock speed
1050 MHz
12000 MHz
Memory bandwidth
384 GB/s
288.0 GB/s
High bandwidth memory (HBM)
-
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
+
-
Number of Eyefinity displays
6
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
12 (12_1)
CUDA
-
7.5
Mantle
+
-
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
6.5
Vulkan
+
1.2.131
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
-
-