Radeon HD 6950 and Radeon R7 250X - video card comparison
Passmark - benchmark score Radeon HD 6950 vs Radeon R7 250X
Radeon HD 6950
2693
Radeon R7 250X
2336
Radeon HD 6950
Radeon R7 250X
Architecture
TeraScale 3 (2010−2013)
GCN 1.0 (2012−2020)
GPU code name
Cayman
Cape Verde
Market segment
Desktop
Desktop
Release date
December 2010
February 2014
Bus support
PCIe 2.0 x16
PCIe 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
1 x 6-pin
Boost clock speed
800 MHz
1000 MHz
Floating-point performance
2,252.8 gflops
1,216 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
2,640 million
1,500 million
Pipelines / CUDA cores
1408
640
Power consumption (TDP)
500 Watt
80 Watt
Texture fill rate
70.40
38.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1250 MHz
1625 MHz
Memory bandwidth
-
96 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
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
-
-