Radeon HD 6850 and Radeon R7 250 - video card comparison
Passmark - benchmark score Radeon HD 6850 vs Radeon R7 250
Radeon HD 6850
2030
Radeon R7 250
1100
Radeon HD 6850
Radeon R7 250
Architecture
TeraScale 2 (2009−2015)
GCN (2011−2017)
GPU code name
Barts
Oland XT
Market segment
Desktop
Desktop
Release date
October 2010
October 2013
Bus support
AGP
PCIe 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
N/A
Boost clock speed
-
1050 MHz
Floating-point performance
1,488.0 gflops
716.8 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
950 million
Pipelines / CUDA cores
960
384
Power consumption (TDP)
127 Watt
75 Watt
Texture fill rate
37.20
25.20
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1150 MHz
Memory bandwidth
128.0 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
DirectX® 12
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
AppAcceleration
-
+
CrossFire
1
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-