Radeon HD 6850 X2 and GeForce RTX 4090 - video card comparison
Passmark - benchmark score Radeon HD 6850 X2 vs GeForce RTX 4090
Radeon HD 6850 X2
2610
GeForce RTX 4090
39778
Radeon HD 6850 X2
GeForce RTX 4090
Architecture
TeraScale 2 (2009−2015)
Ada Lovelace
GPU code name
Barts
AD102-300-A1
Market segment
Desktop
Desktop
Release date
September 2011
September 2022
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 16-pin
Boost clock speed
-
2520 MHz
Core clock speed
800 MHz
2235 MHz
Floating-point performance
2x 1,536.0 gflops
-
Manufacturing process technology
40 nm
5 nm
Number of transistors
1,700 million
76,300 million
Pipelines / CUDA cores
960
16384
Power consumption (TDP)
254 Watt
450 Watt
Texture fill rate
38.40
1,290
Memory type
GDDR5
GDDR6X
Maximum RAM amount
2 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
4200 MHz
21000 MHz
Memory bandwidth
134.4 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
11.2 (11_0)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
1.2
3.0
OpenGL
4.4
4.6
Shader Model
5.0
6.6
Vulkan
N/A
1.3