Radeon HD 2900 PRO and Switch GPU 20nm - video card comparison
Radeon HD 2900 PRO
Switch GPU 20nm
Architecture
TeraScale (2005−2013)
Maxwell 2.0 (2015−2019)
GPU code name
R600
GM20B
Market segment
Desktop
Desktop
Release date
December 2007
March 2017
Interface
PCIe 1.0 x16
IGP
Supplementary power connectors
1x 8-pin
None
Boost clock speed
-
768 MHz
Core clock speed
600 MHz
-
Floating-point performance
384.0 gflops
-
Manufacturing process technology
80 nm
20 nm
Number of transistors
720 million
2,000 million
Pipelines / CUDA cores
320
256
Power consumption (TDP)
200 Watt
15 Watt
Texture fill rate
9.600
12.29
Memory type
GDDR3
DDR4
Maximum RAM amount
512 MB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1600 MHz
3.2 GB/s
Memory bandwidth
51.2 GB/s
25.6 GB/s
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.0 (10_0)
12 (12_1)
CUDA
-
5.3
OpenCL
N/A
1.2
OpenGL
3.3
4.6
Shader Model
4.0
6.4
Vulkan
N/A
1.1