Radeon RX 6800M and GeForce RTX 4090 - video card comparison
Passmark - benchmark score Radeon RX 6800M vs GeForce RTX 4090
Radeon RX 6800M
13686
GeForce RTX 4090
39777
Radeon RX 6800M
GeForce RTX 4090
Architecture
RDNA 2 (2020−2022)
Ada Lovelace
GPU code name
Navi 22
AD102-300-A1
Market segment
Laptop
Desktop
Release date
June 2021
September 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
2300 MHz
2520 MHz
Core clock speed
2116 MHz
2235 MHz
Manufacturing process technology
7 nm
5 nm
Number of transistors
17,200 million
76,300 million
Pipelines / CUDA cores
2560
16384
Power consumption (TDP)
145 Watt
450 Watt
Texture fill rate
413.0
1,290
Memory type
GDDR6
GDDR6X
Maximum RAM amount
12 GB
24 GB
Memory bus width
192 Bit
384 Bit
Memory clock speed
16000 MHz
21000 MHz
Memory bandwidth
384.0 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.3