Radeon R9 M295X Mac Edition and GeForce 6800 XT - video card comparison
Radeon R9 M295X Mac Edition
GeForce 6800 XT
Architecture
GCN 3.0 (2014−2017)
Curie (2003−2013)
GPU code name
Amethyst
NV42
Market segment
Desktop
Desktop
Release date
November 2014
September 2005
Interface
MXM-B (3.0)
AGP 8x
Supplementary power connectors
-
1x Molex
Core clock speed
850 MHz
450 MHz
Floating-point performance
3,482 gflops
-
Manufacturing process technology
28 nm
110 nm
Number of transistors
5,000 million
202 million
Pipelines / CUDA cores
2048
-
Power consumption (TDP)
250 Watt
-
Texture fill rate
108.8
5.400
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
5448 MHz
1200 MBps
Memory bandwidth
174.3 GB/s
38.4 GB/s
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
DirectX
12 (12_0)
9.0c (9_3)
OpenCL
2.0
N/A
OpenGL
4.6
2.0 (full)
Shader Model6.33.0
Vulkan
1.2.131
N/A