
Radeon HD 7770 and HD Graphics 405 - video card comparison
Radeon HD 7770
HD Graphics 405
Architecture
GCN (2011−2017)
Gen. 8 (2015−2016)
GPU code name
Cape Verde
Braswell
Market segment
Desktop
Laptop
Release date
February 2012
April 2016
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
700 MHz
Core clock speed
1000 MHz
320 MHz
Floating-point performance
-
213.1 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,500 million
189 million
Pipelines / CUDA cores
640
16
Power consumption (TDP)
80 Watt
6 Watt
Texture fill rate
40.00
11.20
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
4500 MHz
System Shared
Memory bandwidth
72 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
12 (11_1)
OpenCL
1.2
2.0
OpenGL
4.6
4.3
Shader Model
5.1
5.1
Vulkan
1.2.131
1.1.80