Maxwell GPU Surface Book and Radeon HD 7670M - video card comparison
Maxwell GPU Surface Book
Radeon HD 7670M
Architecture
Maxwell (2014−2018)
Terascale 2 (2009−2015)
GPU code name
Surface Book
Thames XT
Market segment
Laptop
Laptop
Release date
October 2015
June 2011
Interface
-
PCIe 2.0 x16
Boost clock speed
993 MHz
-
Core clock speed
954 MHz
600 MHz
Floating-point performance
-
576.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
-
716 million
Pipelines / CUDA cores
384
480
Power consumption (TDP)
-
20 Watt
Texture fill rate
-
14.40
Memory type
GDDR5
DDR3, (GDDR5)
Maximum RAM amount
1 GB
2 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
5012 MHz
1800 MHz
Memory bandwidth
-
28.8 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
+
-