Radeon HD 6770M and Radeon Xpress X1270 - video card comparison
Radeon HD 6770M
Radeon Xpress X1270
Architecture
Terascale 2 (2009−2015)
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GPU code name
Whistler-XT
M690T
Market segment
Laptop
Laptop
Release date
January 2011
February 2007
Interface
MXM-A (3.0)
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Boost clock speed
-
400 MHz
Core clock speed
675 / 725 MHz
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Floating-point performance
696.0 gflops
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Manufacturing process technology
40 nm
80 nm
Number of transistors
716 million
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Pipelines / CUDA cores
480
4
Power consumption (TDP)
35 Watt
-
Texture fill rate
17.40
-
Memory type
GDDR5
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Maximum RAM amount
1 GB
128 MB
Memory bus width
128 Bit
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Memory clock speed
800 MHz
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Memory bandwidth
57.6 GB/s
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Shared memory
-
+
Display Connectors
No outputs
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DirectX
11.2 (11_0)
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OpenCL
1.2
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OpenGL
4.4
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Shader Model
5.0
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Vulkan
N/A
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