
Maxwell GPU Surface Book and Mobility Radeon HD 3670 - video card comparison
Maxwell GPU Surface Book
Mobility Radeon HD 3670
Architecture
Maxwell (2014−2018)
RV6xx (2007−2010)
GPU code name
Surface Book
M86XT
Market segment
Laptop
Laptop
Release date
October 2015
January 2008
Interface
-
PCIe 2.0 x16
Boost clock speed
993 MHz
-
Core clock speed
954 MHz
680 MHz
Floating-point performance
-
163.2 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
-
378 million
Pipelines / CUDA cores
384
120
Power consumption (TDP)
-
30 Watt
Texture fill rate
-
5.440
Memory type
GDDR5
DDR2/GDDR3/GDDR4
Maximum RAM amount
1 GB
256 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
5012 MHz
800 MHz
Memory bandwidth
-
25.6 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
12 (FL 11_0)
10.1 (10_1)
CUDA
+
-
OpenCL
-
N/A
OpenGL
-
3.3
Shader Model
-
4.1
Vulkan
-
N/A
Optimus
+
-