Radeon R7 250X and Radeon HD 6770 - video card comparison
Passmark - benchmark score Radeon R7 250X vs Radeon HD 6770
Radeon R7 250X
2336
Radeon HD 6770
1286
Radeon R7 250X
Radeon HD 6770
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Cape Verde
Juniper
Market segment
Desktop
Desktop
Release date
February 2014
January 2011
Bus support
PCIe 3.0
PCIe 2.0 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin
1x 6-pin
Boost clock speed
1000 MHz
900 MHz
Floating-point performance
1,216 gflops
1,360.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
1,040 million
Pipelines / CUDA cores
640
800
Power consumption (TDP)
80 Watt
108 Watt
Texture fill rate
38.00
34.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1625 MHz
1050 MHz
Memory bandwidth
96 GB/s
76.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
1
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 12
DirectX® 11
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
AppAcceleration
-
-
CrossFire
1
1
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-