Radeon RX 7990 XTX and Radeon 780M - video card comparison
Radeon RX 7990 XTX
Radeon 780M
Architecture
RDNA 3.0 (2022)
RDNA 3
GPU code name
Navi 31
Phoenix
Market segment
Desktop
Laptop
Release date
2023
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
3x 8-pin
None
Boost clock speed
3599 MHz
3000 MHz
Core clock speed
-
1500 MHz
Manufacturing process technology
5 nm
4 nm
Number of transistors
57,700 million
25,390 million
Pipelines / CUDA cores
6144
768
Power consumption (TDP)
405 Watt
54 Watt (35 - 54 Watt TGP)
Texture fill rate
1,382
139.2
Memory type
GDDR6
System Shared
Maximum RAM amount
24 GB
System Shared
Memory bus width
384 Bit
System Shared
Memory clock speed
24 GB/s
System Shared
Memory bandwidth
1,152 GB/s
-
Shared memory
-
+
Display Connectors
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
Portable Device Dependent
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenCL
2.2
2.1
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3