Radeon R5 340X OEM and GeForce 6800 Ultra DDL - video card comparison
Radeon R5 340X OEM
GeForce 6800 Ultra DDL
Architecture
GCN 1.0 (2012−2020)
Curie (2003−2013)
GPU code name
Oland
NV40
Market segment
Desktop
Desktop
Release date
May 2015
April 2004
Interface
PCIe 3.0 x8
AGP Pro 8x
Supplementary power connectors
None
None
Boost clock speed
1050 MHz
-
Core clock speed
900 MHz
400 MHz
Floating-point performance
806.4 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
950 million
222 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
65 Watt
100 Watt
Texture fill rate
21.60
6.400
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
2000 MHz
1100 MHz
Memory bandwidth
16 GB/s
35.2 GB/s
Display Connectors
1x DVI, 1x DisplayPort
2x DVI
DirectX
12 (11_1)
9.0c (9_3)
OpenCL
1.2
N/A
OpenGL
4.6
2.1
Shader Model
5.1
3.0
Vulkan
1.2.131
N/A