Radeon R9 M390X and GeForce RTX 4090 - video card comparison
Passmark - benchmark score Radeon R9 M390X vs GeForce RTX 4090
Radeon R9 M390X
3705
GeForce RTX 4090
39777
Radeon R9 M390X
GeForce RTX 4090
Architecture
GCN 3 (2014−2016)
Ada Lovelace
GPU code name
Amethyst (XT) / Tonga
AD102-300-A1
Market segment
Laptop
Desktop
Release date
June 2015
September 2022
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
-
2520 MHz
Core clock speed
723 MHz
2235 MHz
Floating-point performance
2,961 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
5,000 million
76,300 million
Pipelines / CUDA cores
2048
16384
Power consumption (TDP)
100 Watt
450 Watt
Texture fill rate
92.54
1,290
Memory type
GDDR5
GDDR6X
Maximum RAM amount
4 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
-
21000 MHz
Memory bandwidth
160.0 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
Eyefinity
1
-
HDMI
-
+
DirectX
DirectX® 12
12 Ultimate (12_2)
CUDA
-
8.9
Mantle
+
-
OpenCL
Not Listed
3.0
OpenGL
4.4
4.6
Shader Model
6.3
6.6
Vulkan
+
1.3
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-