Radeon R7 340 OEM and Radeon 780M - video card comparison
Radeon R7 340 OEM
Radeon 780M
Architecture
GCN 1.0 (2012−2020)
RDNA 3
GPU code name
Oland
Phoenix
Market segment
Desktop
Laptop
Release date
May 2015
January 2023
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
780 MHz
3000 MHz
Core clock speed
730 MHz
1500 MHz
Floating-point performance
599.0 gflops
-
Manufacturing process technology
28 nm
4 nm
Number of transistors
950 million
25,390 million
Pipelines / CUDA cores
384
768
Power consumption (TDP)
50 Watt
54 Watt (35 - 54 Watt TGP)
Texture fill rate
18.72
139.2
Memory type
DDR3
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
1800 MHz
System Shared
Memory bandwidth
28.8 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 1x VGA
Portable Device Dependent
HDMI
+
-
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.2.131
1.3