GeForce RTX 3090 and GeForce 256 SDR - video card comparison
GeForce RTX 3090
GeForce 256 SDR
Architecture
Ampere (2020−2022)
Celsius (1999−2005)
GPU code name
Ampere GA102
NV10 A3
Market segment
Desktop
Desktop
Release date
September 2020
October 1999
Interface
PCIe 4.0 x16
AGP 4x
Supplementary power connectors
1x 12-pin
None
Boost clock speed
1700 MHz
-
Core clock speed
1400 MHz
120 MHz
Manufacturing process technology
8 nm
220 nm
Number of transistors
28,300 million
17 million
Pipelines / CUDA cores
10496
-
Power consumption (TDP)
350 Watt
-
Texture fill rate
556.0
0.48
Memory type
GDDR6X
SDR
Maximum RAM amount
24 GB
32 MB
Memory bus width
384 Bit
64 Bit
Memory clock speed
19500 MHz
143 MHz
Memory bandwidth
936.2 GB/s
1.144 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x VGA
HDMI
+
-
DirectX
12 Ultimate (12_2)
7.0
CUDA
8.5
-
OpenCL
2.0
N/A
OpenGL
4.6
1.2
Shader Model
6.5
-
Vulkan
1.2
N/A