Radeon HD 6850 X2 and Radeon RX 6600 XT - video card comparison
Passmark - benchmark score Radeon HD 6850 X2 vs Radeon RX 6600 XT
Radeon HD 6850 X2
2610
Radeon RX 6600 XT
16985
Radeon HD 6850 X2
Radeon RX 6600 XT
Architecture
TeraScale 2 (2009−2015)
Navi / RDNA2 (2020−2022)
GPU code name
Barts
Navi 23
Market segment
Desktop
Desktop
Release date
September 2011
July 2021
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
2x 8-pin
1x 8-pin
Boost clock speed
-
2589 MHz
Core clock speed
800 MHz
1968 MHz
Floating-point performance
2x 1,536.0 gflops
-
Manufacturing process technology
40 nm
7 nm
Number of transistors
1,700 million
11,060 million
Pipelines / CUDA cores
960
2048
Power consumption (TDP)
254 Watt
160 (TGP) Watt
Texture fill rate
38.40
331.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
4200 MHz
16000 MHz
Memory bandwidth
134.4 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x 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