Radeon HD 5870 Eyefinity 6 and Radeon RX 6600 XT - video card comparison
Radeon HD 5870 Eyefinity 6
Radeon RX 6600 XT
Architecture
TeraScale 2 (2009−2015)
Navi / RDNA2 (2020−2022)
GPU code name
Cypress
Navi 23
Market segment
Desktop
Desktop
Release date
March 2010
July 2021
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 8-pin
Boost clock speed
-
2589 MHz
Core clock speed
850 MHz
1968 MHz
Floating-point performance
2,720.0 gflops
-
Manufacturing process technology
40 nm
7 nm
Number of transistors
2,154 million
11,060 million
Pipelines / CUDA cores
1600
2048
Power consumption (TDP)
228 Watt
160 (TGP) Watt
Texture fill rate
68.00
331.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
4800 MHz
16000 MHz
Memory bandwidth
153.6 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
6x mini-DisplayPort
1x HDMI, 2x DisplayPort
HDMI
-
+
DirectX
11.2 (11_0)
12.0 Ultimate (12_2)
OpenCL
1.2
2.1
OpenGL
4.4
4.6
Shader Model
5.0
6.5
Vulkan
N/A
1.2