Radeon R7 340 OEM and GeForce GTX 555 OEM - video card comparison
Radeon R7 340 OEM
GeForce GTX 555 OEM
Architecture
GCN 1.0 (2012−2020)
Fermi 2.0 (2010−2014)
GPU code name
Oland
GF114
Market segment
Desktop
Desktop
Release date
May 2015
May 2011
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
2x 6-pin
Boost clock speed
780 MHz
-
Core clock speed
730 MHz
736 MHz
Floating-point performance
599.0 gflops
847.9 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
950 million
1,950 million
Pipelines / CUDA cores
384
288
Power consumption (TDP)
50 Watt
150 Watt
Texture fill rate
18.72
35.33
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
192 Bit
Memory clock speed
1800 MHz
3828 MHz
Memory bandwidth
28.8 GB/s
91.87 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x mini-HDMI
HDMI
+
+
DirectX
12 (11_1)
12 (11_0)
CUDA
-
2.1
OpenCL
1.2
1.1
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A