Radeon R7 340 OEM and Radeon X800 PRO - video card comparison
Radeon R7 340 OEM
Radeon X800 PRO
Architecture
GCN 1.0 (2012−2020)
R400 (2004−2008)
GPU code name
Oland
R423
Market segment
Desktop
Desktop
Release date
May 2015
May 2004
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Supplementary power connectors
None
1x Molex
Boost clock speed
780 MHz
-
Core clock speed
730 MHz
475 MHz
Floating-point performance
599.0 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
950 million
160 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
50 Watt
48 Watt
Texture fill rate
18.72
5.700
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1800 MHz
900 MHz
Memory bandwidth
28.8 GB/s
28.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_1)
9.0b (9_2)
OpenCL
1.2
N/A
OpenGL
4.6
2.0
Shader Model
5.1
-
Vulkan
1.2.131
N/A