Radeon HD 7790 and Radeon HD 7660G + HD 7670M Dual Graphics - video card comparison
Radeon HD 7790
Radeon HD 7660G + HD 7670M Dual Graphics
Architecture
GCN 2.0 (2013−2017)
Terascale 2 (2009−2015)
GPU code name
Bonaire
-
Market segment
Desktop
Laptop
Release date
March 2013
May 2012
Interface
PCIe 3.0 x16
-
Supplementary power connectors
1x 6-pin
-
Core clock speed
1000 MHz
685 / 600 MHz
Floating-point performance
1,792 gflops
-
Manufacturing process technology
28 nm
32 nm
Number of transistors
2,080 million
-
Pipelines / CUDA cores
896
862
Power consumption (TDP)
85 Watt
-
Texture fill rate
56.00
-
Memory type
GDDR5
DDR3,GDDR5
Maximum RAM amount
1 GB
-
Memory bus width
128 Bit
128 Bit
Memory clock speed
6000 MHz
1800 MHz
Memory bandwidth
96 GB/s
-
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
-
HDMI
+
-
DirectX
12 (12_0)
11
OpenCL
2.0
-
OpenGL
4.6
-
Shader Model
6.3
-
Vulkan
1.2.131
-