GeForce RTX 4090 Max-Q and Radeon RX 7900 GRE - video card comparison
GeForce RTX 4090 Max-Q
Radeon RX 7900 GRE
Architecture
Ada Lovelace
RDNA 3
GPU code name
AD103
Navi 31
Market segment
Desktop
Desktop
Release date
January 2023
July 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
1455 MHz
2245 MHz
Manufacturing process technology
4 nm
5 nm
Number of transistors
45,900 million
57,700 million
Pipelines / CUDA cores
9728
5120
Power consumption (TDP)
80 Watt
260 Watt
Texture fill rate
442.3
718.4
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
14 GB/s
18000 MHz
Memory bandwidth
448.0 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
Portable Device Dependent
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI
-
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.9
-
OpenCL
3.0
2.2
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3