Radeon HD 7770 and Radeon HD 7660D - video card comparison
Passmark - benchmark score Radeon HD 7770 vs Radeon HD 7660D
Radeon HD 7770
2235
Radeon HD 7660D
518
Radeon HD 7770
Radeon HD 7660D
Architecture
GCN (2011−2017)
Terascale 3 (2010−2013)
GPU code name
Cape Verde
Trinity
Market segment
Desktop
Desktop
Release date
February 2012
September 2012
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
800 MHz
Core clock speed
1000 MHz
633 MHz
Manufacturing process technology
28 nm
32 nm
Number of transistors
1,500 million
1,303 million
Pipelines / CUDA cores
640
384
Power consumption (TDP)
80 Watt
100 Watt
Texture fill rate
40.00
19.20
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128 Bit
System Shared
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)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.2.131
N/A