Radeon R7 250E and GeForce 6800 XT - video card comparison
Radeon R7 250E
GeForce 6800 XT
Architecture
GCN 1.0 (2012−2020)
Curie (2003−2013)
GPU code name
Cape Verde
NV42
Market segment
Desktop
Desktop
Release date
December 2013
September 2005
Interface
PCIe 3.0 x16
AGP 8x
Supplementary power connectors
None
1x Molex
Core clock speed
800 MHz
450 MHz
Floating-point performance
819.2 gflops
-
Manufacturing process technology
28 nm
110 nm
Number of transistors
1,500 million
202 million
Pipelines / CUDA cores
512
-
Power consumption (TDP)
55 Watt
-
Texture fill rate
25.60
5.400
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
4500 MHz
1200 MBps
Memory bandwidth
72 GB/s
38.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_1)
9.0c (9_3)
OpenCL
1.2
N/A
OpenGL
4.6
2.0 (full)
Shader Model5.13.0
Vulkan
1.2.131
N/A