Maxwell GPU Surface Book and Radeon HD 7470M - video card comparison
Maxwell GPU Surface Book
Radeon HD 7470M
Architecture
Maxwell (2014−2018)
Terascale 2 (2009−2015)
GPU code name
Surface Book
Seymour XT / XTX
Market segment
Laptop
Laptop
Release date
October 2015
December 2011
Interface
-
PCIe 2.0 x16
Boost clock speed
993 MHz
800 MHz
Core clock speed
954 MHz
750 / 800 MHz
Floating-point performance
-
240.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
-
370 million
Pipelines / CUDA cores
384
160
Power consumption (TDP)
-
7 Watt
Texture fill rate
-
6.400
Memory type
GDDR5
DDR3/GDDR5
Maximum RAM amount
1 GB
512 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
5012 MHz
3200 / 1800 MHz
Memory bandwidth
-
14.4 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
12 (FL 11_0)
11.2 (11_0)
CUDA
+
-
OpenCL
-
1.2
OpenGL
-
4.4
Shader Model
-
5.0
Vulkan
-
N/A
Optimus
+
-