Radeon RX 6400 and Radeon 740M - video card comparison
Passmark - benchmark score Radeon RX 6400 vs Radeon 740M
Radeon RX 6400
7776
Radeon 740M
3579
Radeon RX 6400
Radeon 740M
Architecture
RDNA 2.0 (2020−2022)
RDNA 3
GPU code name
Navi 24
Phoenix
Market segment
Desktop
Laptop
Release date
January 2022
May 2023
Interface
PCIe 4.0 x4
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
2321 MHz
2500 MHz
Core clock speed
-
1500 MHz
Manufacturing process technology
6 nm
4 nm
Number of transistors
5,400 million
25,390 million
Pipelines / CUDA cores
768
256
Power consumption (TDP)
53 Watt
30 Watt (30 - 15 Watt TGP)
Texture fill rate
111.4
40.00
Memory type
GDDR6
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
16 GB/s
System Shared
Memory bandwidth
128.0 GB/s
-
Shared memory
-
+
Display Connectors
1x HDMI 2.1, 1x DisplayPort 1.4a
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
6.6
6.7
Vulkan
1.3
1.3