Radeon HD 3870 and GeForce RTX 4090 Ti - video card comparison
Radeon HD 3870
GeForce RTX 4090 Ti
Architecture
TeraScale (2005−2013)
Ada Lovelace
GPU code name
RV670
AD102
Market segment
Desktop
Desktop
Release date
November 2007
2023
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
2x 16-pin
Boost clock speed
-
2565 MHz
Core clock speed
777 MHz
-
Floating-point performance
497.3 gflops
-
Manufacturing process technology
55 nm
5 nm
Number of transistors
666 million
76,300 million
Pipelines / CUDA cores
320
18176
Power consumption (TDP)
106 Watt
600 Watt
Texture fill rate
12.43
1,457
Memory type
GDDR4
GDDR6X
Maximum RAM amount
512 MB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
2252 MHz
24 GB/s
Memory bandwidth
72.06 GB/s
1,152 GB/s
Display Connectors
2x DVI, 1x S-Video
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
10.1 (10_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
N/A
3.0
OpenGL
3.3
4.6
Shader Model
4.1
6.7
Vulkan
N/A
1.3