Radeon R5 M255 and GeForce RTX 4090 - video card comparison
Passmark - benchmark score Radeon R5 M255 vs GeForce RTX 4090
Radeon R5 M255
550
GeForce RTX 4090
39777
Radeon R5 M255
GeForce RTX 4090
Architecture
GCN (2011−2017)
Ada Lovelace
GPU code name
Topaz Pro / Sun
AD102-300-A1
Market segment
Laptop
Desktop
Release date
May 2014
September 2022
Bus support
PCIe 3.0 x8
-
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
940 MHz
2520 MHz
Compute units
5
-
Core clock speed
940 MHz
2235 MHz
Floating-point performance
721.9 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,550 million
76,300 million
Pipelines / CUDA cores
320
16384
Power consumption (TDP)
-
450 Watt
Texture fill rate
22.56
1,290
Memory type
DDR3
GDDR6X
Maximum RAM amount
4 GB
24 GB
Memory bus width
64 Bit
384 Bit
Memory clock speed
1000 MHz
21000 MHz
Memory bandwidth
16 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
Eyefinity
+
-
HDMI
-
+
DirectX
DirectX® 11
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
-
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-