NVIDIA GeForce GTX 490 vs NVIDIA GeForce RTX 3090
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 24GB VRAM GeForce RTX 3090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3090 's Advantages
Boost Clock1695MHz
More VRAM (24GB vs 1536GB)
Larger VRAM bandwidth (936.2GB/s vs 164.0GB/s)
10016 additional rendering cores
Lower TDP (350W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
1.166 TFLOPS
GeForce RTX 3090
+2951%
35.58 TFLOPS
Graphics Card
Unknown
Release Date
Sep 2020
GeForce 400
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1395 MHz
-
Boost Clock
1695 MHz
854 MHz
Memory Clock
1219 MHz
Memory
1536MB
Memory Size
24GB
GDDR5
Memory Type
GDDR6X
384bit
Memory Bus
384bit
164.0GB/s
Bandwidth
936.2GB/s
Render Config
-
-
-
15
SM Count
82
480
Shading Units
10496
60
TMUs
328
48
ROPs
112
-
Tensor Cores
328
-
RT Cores
82
64 KB (per SM)
L1 Cache
128 KB (per SM)
768 KB
L2 Cache
6 MB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
189.8 GPixel/s
36.48 GTexel/s
Texture Rate
556.0 GTexel/s
-
FP16 (half)
35.58 TFLOPS
1166 GFLOPS
FP32 (float)
35.58 TFLOPS
145.8 GFLOPS
FP64 (double)
556.0 GFLOPS
Board Design
365W
TDP
350W
750 W
Suggested PSU
750 W
3x DVI
1x mini-DisplayPort
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 12-pin
Graphics Processor
GF100
GPU Name
GA102
GF100-375-A3
GPU Variant
GA102-300-A1
Fermi
Architecture
Ampere
TSMC
Foundry
Samsung
40 nm
Process Size
8 nm
3.1 billion
Transistors
28.3 billion
529 mm²
Die Size
628 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
2.0
CUDA
8.6
5.1
Shader Model
6.6
