Radeon X850 CrossFire Edition and Radeon RX 6600 XT - video card comparison
Radeon X850 CrossFire Edition
Radeon RX 6600 XT
Architecture
R400 (2004−2008)
Navi / RDNA2 (2020−2022)
GPU code name
R480
Navi 23
Market segment
Desktop
Desktop
Release date
September 2006
July 2021
Interface
PCIe 1.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin
1x 8-pin
Boost clock speed
-
2589 MHz
Core clock speed
520 MHz
1968 MHz
Manufacturing process technology
130 nm
7 nm
Number of transistors
160 million
11,060 million
Pipelines / CUDA cores
-
2048
Power consumption (TDP)
-
160 (TGP) Watt
Texture fill rate
8.320
331.4
Memory type
GDDR3
GDDR6
Maximum RAM amount
256 MB
8 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1080 MHz
16000 MHz
Memory bandwidth
34.56 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI
1x HDMI, 2x DisplayPort
HDMI
-
+
DirectX
9.0b (9_2)
12.0 Ultimate (12_2)
OpenCL
N/A
2.1
OpenGL
2.0
4.6
Shader Model
-
6.5
Vulkan
N/A
1.2