NVIDIA GeForce GTX 490 vs NVIDIA GeForce RTX 4080
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 16GB VRAM GeForce RTX 4080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4080 's Advantages
Boost Clock2505MHz
More VRAM (16GB vs 1536GB)
Larger VRAM bandwidth (716.8GB/s vs 164.0GB/s)
9248 additional rendering cores
Lower TDP (320W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
1.166 TFLOPS
GeForce RTX 4080
+4080%
48.74 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
2205 MHz
-
Boost Clock
2505 MHz
854 MHz
Memory Clock
1400 MHz
Memory
1536MB
Memory Size
16GB
GDDR5
Memory Type
GDDR6X
384bit
Memory Bus
256bit
164.0GB/s
Bandwidth
716.8GB/s
Render Config
-
-
-
15
SM Count
76
480
Shading Units
9728
60
TMUs
304
48
ROPs
112
-
Tensor Cores
304
-
RT Cores
76
64 KB (per SM)
L1 Cache
128 KB (per SM)
768 KB
L2 Cache
64 MB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
280.6 GPixel/s
36.48 GTexel/s
Texture Rate
761.5 GTexel/s
-
FP16 (half)
48.74 TFLOPS
1166 GFLOPS
FP32 (float)
48.74 TFLOPS
145.8 GFLOPS
FP64 (double)
761.5 GFLOPS
Board Design
365W
TDP
320W
750 W
Suggested PSU
700 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
AD103
GF100-375-A3
GPU Variant
AD103-300-A1
Fermi
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
40 nm
Process Size
5 nm
3.1 billion
Transistors
45.9 billion
529 mm²
Die Size
379 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
6.7
