Radeon HD 7790 and Radeon 660M - video card comparison
Passmark - benchmark score Radeon HD 7790 vs Radeon 660M
Radeon HD 7790
3183
Radeon 660M
6474
Radeon HD 7790
Radeon 660M
Architecture
GCN 2.0 (2013−2017)
RDNA 2 (2020−2022)
GPU code name
Bonaire
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
March 2013
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
1900 MHz
Core clock speed
1000 MHz
-
Floating-point performance
1,792 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
2,080 million
13,100 million
Pipelines / CUDA cores
896
384
Power consumption (TDP)
85 Watt
45 Watt
Texture fill rate
56.00
45.60
Memory type
GDDR5
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
6000 MHz
System Shared
Memory bandwidth
96 GB/s
-
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.5
Vulkan
1.2.131
1.2