Maxwell GPU Surface Book and Radeon HD 4250 - video card comparison
Maxwell GPU Surface Book
Radeon HD 4250
Architecture
Maxwell (2014−2018)
RV6xx (2007−2010)
GPU code name
Surface Book
RS880M
Market segment
Laptop
Laptop
Release date
October 2015
May 2010
Interface
-
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
993 MHz
-
Core clock speed
954 MHz
500 MHz
Floating-point performance
-
47.52 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
-
181 million
Pipelines / CUDA cores
384
40
Power consumption (TDP)
-
25 Watt
Texture fill rate
-
2.376
Memory type
GDDR5
DDR2
Maximum RAM amount
1 GB
512 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
5012 MHz
792 MHz
Memory bandwidth
-
6.336 GB/s
Shared memory
-
+
Display Connectors
-
1x DVI, 1x VGA, 1x S-Video
DirectX
12 (FL 11_0)
10.1 (10_1)
CUDA
+
-
OpenCL
-
N/A
OpenGL
-
3.3
Shader Model
-
4.1
Vulkan
-
N/A
Optimus
+
-