Radeon R9 390 and GeForce RTX 4070 Mobile - video card comparison
Radeon R9 390
GeForce RTX 4070 Mobile
Architecture
GCN 2.0 (2013−2017)
Ada Lovelace
GPU code name
Grenada
GN21-X6
Market segment
Desktop
Laptop
Release date
June 2015
January 2023
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
-
Bridgeless CrossFire
1
-
Boost clock speed
1000 MHz
2175 MHz
Core clock speed
-
1605 MHz
Floating-point performance
5,120 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
6,200 million
-
Pipelines / CUDA cores
2560
4608
Power consumption (TDP)
275 Watt
115 Watt (35 - 115 Watt TGP)
Texture fill rate
160.0
244.1
Memory type
GDDR5
GDDR6
Maximum RAM amount
0 MB
8 GB
Memory bus width
512 Bit
128 Bit
Memory clock speed
1000 MHz
16000 MHz
Memory bandwidth
384 GB/s
256.0 GB/s
High bandwidth memory (HBM)
-
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
Portable Device Dependent
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
12 Ultimate (12_2)
CUDA
-
8.9
Mantle
+
-
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.3
6.7
Vulkan
+
1.3
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
-
-