Radeon R9 390 and GeForce MX450 - video card comparison
Passmark - benchmark score Radeon R9 390 vs GeForce MX450
Radeon R9 390
9182
GeForce MX450
3845
Radeon R9 390
GeForce MX450
Architecture
GCN 2.0 (2013−2017)
Turing (2018−2021)
GPU code name
Grenada
N17S-G5 / GP107-670-A1
Market segment
Desktop
Laptop
Release date
June 2015
August 2020
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x4
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
None
Bridgeless CrossFire
1
-
Boost clock speed
1000 MHz
1575 MHz
Core clock speed
-
1395 MHz
Floating-point performance
5,120 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
6,200 million
4,700 million
Pipelines / CUDA cores
2560
896
Power consumption (TDP)
275 Watt
25 Watt (12 - 29 Watt TGP)
Texture fill rate
160.0
100.8
Memory type
GDDR5
GDDR5, GDDR6
Maximum RAM amount
0 MB
2 GB
Memory bus width
512 Bit
64 Bit
Memory clock speed
1000 MHz
10000 MHz
Memory bandwidth
384 GB/s
64.03 GB/s
High bandwidth memory (HBM)
-
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
1
-
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
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
Optimus
-
+
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
-
-