Home GPU Comparison NVIDIA GeForce GTX 490 vs NVIDIA GeForce RTX 4090

NVIDIA GeForce GTX 490 vs NVIDIA GeForce RTX 4090

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 24GB VRAM GeForce RTX 4090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 490 's Advantages
Lower TDP (365W vs 450W)
NVIDIA GeForce RTX 4090 's Advantages
Boost Clock2520MHz
More VRAM (24GB vs 1536GB)
Larger VRAM bandwidth (1.01TB/s vs 164.0GB/s)
15904 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 490
1.166 TFLOPS
GeForce RTX 4090 +6982%
82.58 TFLOPS

Graphics Card

Unknown
Release Date
Sep 2022
GeForce 400
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

-
Base Clock
2235 MHz
-
Boost Clock
2520 MHz
854 MHz
Memory Clock
1313 MHz

Memory

1536MB
Memory Size
24GB
GDDR5
Memory Type
GDDR6X
384bit
Memory Bus
384bit
164.0GB/s
Bandwidth
1.01TB/s

Render Config

-
-
-
15
SM Count
128
480
Shading Units
16384
60
TMUs
512
48
ROPs
176
-
Tensor Cores
512
-
RT Cores
128
64 KB (per SM)
L1 Cache
128 KB (per SM)
768 KB
L2 Cache
72 MB
-
-
-

Theoretical Performance

18.24 GPixel/s
Pixel Rate
443.5 GPixel/s
36.48 GTexel/s
Texture Rate
1290 GTexel/s
-
FP16 (half)
82.58 TFLOPS
1166 GFLOPS
FP32 (float)
82.58 TFLOPS
145.8 GFLOPS
FP64 (double)
1290 GFLOPS

Board Design

365W
TDP
450W
750 W
Suggested PSU
850 W
3x DVI 1x mini-DisplayPort
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 16-pin

Graphics Processor

GF100
GPU Name
AD102
GF100-375-A3
GPU Variant
AD102-300-A1
Fermi
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
40 nm
Process Size
5 nm
3.1 billion
Transistors
76.3 billion
529 mm²
Die Size
609 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
8.9
5.1
Shader Model
6.8
© 2025 - TopCPU.net