Radeon RX 7900 XT and GeForce RTX 4070 Mobile - video card comparison
Radeon RX 7900 XT
GeForce RTX 4070 Mobile
Architecture
RDNA 3
Ada Lovelace
GPU code name
Navi 31 XT
GN21-X6
Market segment
Desktop
Laptop
Release date
November 2022
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
-
Boost clock speed
2000 MHz
2175 MHz
Core clock speed
-
1605 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
57,700 million
-
Pipelines / CUDA cores
5376
4608
Power consumption (TDP)
315 Watt
115 Watt (35 - 115 Watt TGP)
Texture fill rate
804.4
244.1
Memory type
GDDR6
GDDR6
Maximum RAM amount
20 GB
8 GB
Memory bus width
320 Bit
128 Bit
Memory clock speed
20000 MHz
16000 MHz
Memory bandwidth
800.0 GB/s
256.0 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)
CUDA
-
8.9
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3