NVIDIA GeForce GTX 490 vs NVIDIA RTX A400
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 490 's Advantages
Larger VRAM bandwidth (164.0GB/s vs 96.00GB/s)
NVIDIA RTX A400 's Advantages
Boost Clock1762MHz
More VRAM (4GB vs 1536GB)
288 additional rendering cores
Lower TDP (50W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
1.166 TFLOPS
RTX A400
+132%
2.706 TFLOPS
Graphics Card
Unknown
Release Date
Apr 2024
GeForce 400
Generation
Quadro Ampere(Ax000)
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
1417 MHz
-
Boost Clock
1762 MHz
854 MHz
Memory Clock
1500 MHz
Memory
1536MB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
64bit
164.0GB/s
Bandwidth
96.00GB/s
Render Config
-
-
-
15
SM Count
6
480
Shading Units
768
60
TMUs
24
48
ROPs
16
-
Tensor Cores
24
-
RT Cores
6
64 KB (per SM)
L1 Cache
128 KB (per SM)
768 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
28.19 GPixel/s
36.48 GTexel/s
Texture Rate
42.29 GTexel/s
-
FP16 (half)
2.706 TFLOPS
1166 GFLOPS
FP32 (float)
2.706 TFLOPS
145.8 GFLOPS
FP64 (double)
42.29 GFLOPS
Board Design
365W
TDP
50W
750 W
Suggested PSU
250 W
3x DVI
1x mini-DisplayPort
Outputs
4x mini-DisplayPort 1.4a
2x 8-pin
Power Connectors
None
Graphics Processor
GF100
GPU Name
GA107
GF100-375-A3
GPU Variant
-
Fermi
Architecture
Ampere
TSMC
Foundry
Samsung
40 nm
Process Size
8 nm
3.1 billion
Transistors
8.7 billion
529 mm²
Die Size
200 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
6.8
