Radeon R7 250X and Radeon HD 6740G2 - video card comparison
Radeon R7 250X
Radeon HD 6740G2
Architecture
GCN 1.0 (2012−2020)
Terascale 2 (2009−2015)
GPU code name
Cape Verde
-
Market segment
Desktop
Laptop
Release date
February 2014
June 2011
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
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Supplementary power connectors
1 x 6-pin
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Boost clock speed
1000 MHz
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Floating-point performance
1,216 gflops
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Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
-
Pipelines / CUDA cores
640
880
Power consumption (TDP)
80 Watt
-
Texture fill rate
38.00
-
Memory type
GDDR5
-
Maximum RAM amount
2 GB
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Memory bus width
128 Bit
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Memory clock speed
1625 MHz
-
Memory bandwidth
96 GB/s
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Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
-
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
11
Mantle
-
-
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-