
Radeon R9 290 and Radeon 660M - video card comparison
Passmark - benchmark score Radeon R9 290 vs Radeon 660M
Radeon R9 290
8336
Radeon 660M
6474
Radeon R9 290
Radeon 660M
Architecture
GCN 2.0 (2013−2017)
RDNA 2 (2020−2022)
GPU code name
Hawaii
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
November 2013
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Boost clock speed
-
1900 MHz
Core clock speed
947 MHz
-
Floating-point performance
4,849 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
6,200 million
13,100 million
Pipelines / CUDA cores
2560
384
Power consumption (TDP)
275 Watt
45 Watt
Texture fill rate
151.5
45.60
Memory type
GDDR5
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
512 Bit
System Shared
Memory clock speed
5000 MHz
System Shared
Memory bandwidth
320.0 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x 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