GeForce GTX 490 vs RTX A4000H
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 16GB VRAM RTX A4000H to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A4000H 's Advantages
Boost Clock1560MHz
More VRAM (16GB vs 1536GB)
Larger VRAM bandwidth (448.0GB/s vs 164.0GB/s)
5664 additional rendering cores
Lower TDP (140W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
1166
RTX A4000H
+1544%
19170
Graphics Card
Unknown
Release Date
Apr 2021
GeForce 400
Generation
Quadro Ampere
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
735 MHz
-
Boost Clock
1560 MHz
854 MHz
Memory Clock
1750 MHz
Memory
1536MB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
256bit
164.0GB/s
Bandwidth
448.0GB/s
Render Config
15
SM Count
48
480
Shading Units
6144
60
TMUs
192
48
ROPs
96
-
Tensor Cores
192
-
RT Cores
48
64 KB (per SM)
L1 Cache
128 KB (per SM)
768 KB
L2 Cache
4 MB
Theoretical Performance
18.24 GPixel/s
Pixel Rate
149.8 GPixel/s
36.48 GTexel/s
Texture Rate
299.5 GTexel/s
-
FP16 (half)
19.17 TFLOPS
1166 GFLOPS
FP32 (float)
19.17 TFLOPS
145.8 GFLOPS
FP64 (double)
299.5 GFLOPS
Board Design
365W
TDP
140W
750 W
Suggested PSU
300 W
3x DVI
1x mini-DisplayPort
Outputs
4x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GF100
GPU Name
GA104
GF100-375-A3
GPU Variant
GA104-???-A1
Fermi
Architecture
Ampere
TSMC
Foundry
Samsung
40 nm
Process Size
8 nm
3.1 billion
Transistors
17.4 billion
529 mm²
Die Size
392 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
6.7
