RTX A4000 vs Quadro 400
We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 512MB VRAM Quadro 400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A4000 's Advantages
Released 10 years late
Boost Clock1560MHz
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (448.0GB/s vs 12.32GB/s)
6096 additional rendering cores
Quadro 400 's Advantages
Lower TDP (32W vs 140W)
Score
Benchmark
FP32 (float)
RTX A4000
+17650%
19170
Quadro 400
108
Graphics Card
Apr 2021
Release Date
Apr 2011
Quadro Ampere
Generation
Quadro
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
735 MHz
Base Clock
-
1560 MHz
Boost Clock
-
1750 MHz
Memory Clock
770 MHz
Memory
16GB
Memory Size
512MB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
64bit
448.0GB/s
Bandwidth
12.32GB/s
Render Config
48
SM Count
6
6144
Shading Units
48
192
TMUs
16
96
ROPs
8
192
Tensor Cores
-
48
RT Cores
-
128 KB (per SM)
L1 Cache
-
4 MB
L2 Cache
32 KB
Theoretical Performance
149.8 GPixel/s
Pixel Rate
3.600 GPixel/s
299.5 GTexel/s
Texture Rate
7.200 GTexel/s
19.17 TFLOPS
FP16 (half)
-
19.17 TFLOPS
FP32 (float)
108.0 GFLOPS
299.5 GFLOPS
FP64 (double)
-
Board Design
140W
TDP
32W
300 W
Suggested PSU
200 W
4x DisplayPort 1.4a
Outputs
1x DVI
1x DisplayPort
1x 6-pin
Power Connectors
None
Graphics Processor
GA104
GPU Name
GT216
GA104-875-A1
GPU Variant
GT216 GL
Ampere
Architecture
Tesla 2.0
Samsung
Foundry
TSMC
8 nm
Process Size
40 nm
17.4 billion
Transistors
0.486 billion
392 mm²
Die Size
100 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.6
CUDA
1.2
6.7
Shader Model
4.1
