GeForce RTX 3090 and GeForce GTX 490 - video card comparison
GeForce RTX 3090
GeForce GTX 490
Architecture
Ampere (2020−2022)
Fermi (2010−2014)
GPU code name
Ampere GA102
GF100
Market segment
Desktop
Desktop
Release date
September 2020
-
Interface
PCIe 4.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 12-pin
2x 8-pin
Boost clock speed
1700 MHz
-
Core clock speed
1400 MHz
608 MHz
Manufacturing process technology
8 nm
40 nm
Number of transistors
28,300 million
3,100 million
Pipelines / CUDA cores
10496
480
Power consumption (TDP)
350 Watt
365 Watt
Texture fill rate
556.0
36.48
Memory type
GDDR6X
GDDR5
Maximum RAM amount
24 GB
1536 MB
Memory bus width
384 Bit
384 Bit
Memory clock speed
19500 MHz
3.4 GB/s
Memory bandwidth
936.2 GB/s
164.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
3x DVI, 1x mini-DisplayPort
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 (11_0)
CUDA
8.5
2.0
OpenCL
2.0
1.1
OpenGL
4.6
4.6
Shader Model
6.5
5.1
Vulkan
1.2
N/A