Radeon HD 3690 and Radeon RX 6600 XT - video card comparison
Radeon HD 3690
Radeon RX 6600 XT
Architecture
TeraScale (2005−2013)
Navi / RDNA2 (2020−2022)
GPU code name
RV670
Navi 23
Market segment
Desktop
Desktop
Release date
March 2008
July 2021
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin
1x 8-pin
Boost clock speed
-
2589 MHz
Core clock speed
670 MHz
1968 MHz
Floating-point performance
428.8 gflops
-
Manufacturing process technology
55 nm
7 nm
Number of transistors
666 million
11,060 million
Pipelines / CUDA cores
320
2048
Power consumption (TDP)
75 Watt
160 (TGP) Watt
Texture fill rate
10.72
331.4
Memory type
GDDR3
GDDR6
Maximum RAM amount
256 MB
8 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1660 MHz
16000 MHz
Memory bandwidth
26.56 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
1x HDMI, 2x DisplayPort
HDMI
-
+
DirectX
10.1 (10_1)
12.0 Ultimate (12_2)
OpenCL
N/A
2.1
OpenGL
3.3
4.6
Shader Model
4.1
6.5
Vulkan
N/A
1.2