
Radeon HD 4850 X2 and GeForce RTX 4090 Ti - video card comparison
Radeon HD 4850 X2
GeForce RTX 4090 Ti
Architecture
TeraScale (2005−2013)
Ada Lovelace
GPU code name
R700
AD102
Market segment
Desktop
Desktop
Release date
November 2008
2023
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
2x 16-pin
Boost clock speed
-
2565 MHz
Core clock speed
625 MHz
-
Floating-point performance
2x 1,000.0 gflops
-
Manufacturing process technology
55 nm
5 nm
Number of transistors
956 million
76,300 million
Pipelines / CUDA cores
800
18176
Power consumption (TDP)
250 Watt
600 Watt
Texture fill rate
25.00
1,457
Memory type
GDDR3
GDDR6X
Maximum RAM amount
512 MB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
1990 MHz
24 GB/s
Memory bandwidth
63.68 GB/s
1,152 GB/s
Display Connectors
4x 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
1.1
3.0
OpenGL
3.3
4.6
Shader Model
4.1
6.7
Vulkan
N/A
1.3