Radeon R6 M255DX and GeForce RTX 4090 - video card comparison
Passmark - benchmark score Radeon R6 M255DX vs GeForce RTX 4090
Radeon R6 M255DX
623
GeForce RTX 4090
39777
Radeon R6 M255DX
GeForce RTX 4090
Architecture
GCN (2011−2017)
Ada Lovelace
GPU code name
Jet UL(T) DDR3
AD102-300-A1
Market segment
Laptop
Desktop
Release date
June 2014
September 2022
Interface
IGP
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
940 MHz
2520 MHz
Core clock speed
855 / 514 MHz
2235 MHz
Manufacturing process technology
28 nm
5 nm
Number of transistors
690 million
76,300 million
Pipelines / CUDA cores
576
16384
Power consumption (TDP)
-
450 Watt
Texture fill rate
17.10
1,290
Memory type
DDR3
GDDR6X
Maximum RAM amount
System Shared
24 GB
Memory bus width
System Shared
384 Bit
Memory clock speed
System Shared
21000 MHz
Memory bandwidth
-
1,008 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
Eyefinity
+
-
HDMI
-
+
DirectX
12 (11_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
1.2.131
1.3
AppAcceleration
+
-