Radeon R7 250 and GeForce 6800 GTO - video card comparison
Radeon R7 250
GeForce 6800 GTO
Architecture
GCN (2011−2017)
Curie (2003−2013)
GPU code name
Oland XT
NV45
Market segment
Desktop
Desktop
Release date
October 2013
April 2004
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Supplementary power connectors
N/A
1x 6-pin
Boost clock speed
1050 MHz
-
Core clock speed
-
350 MHz
Floating-point performance
716.8 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
950 million
222 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
75 Watt
-
Texture fill rate
25.20
4.200
Memory type
DDR3, GDDR5
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1150 MHz
1000 MHz
Memory bandwidth
72 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
9.0c (9_3)
Mantle
-
-
OpenCL
1.2
N/A
OpenGL
4.6
2.1
Shader Model
5.1
3.0
Vulkan
-
N/A
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-