RTX A4000 vs RTX 4000 Ada Generation
We compared a Professional market GPU: 16GB VRAM RTX A4000 and a Desktop platform GPU: 20GB VRAM RTX 4000 Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A4000 's Advantages
Larger VRAM bandwidth (448.0GB/s vs 360.0GB/s)
RTX 4000 Ada Generation 's Advantages
Released 2 years and 4 months late
Boost Clock has increased by 39% (2175MHz vs 1560MHz)
More VRAM (20GB vs 16GB)
Lower TDP (130W vs 140W)
Score
Benchmark
FP32 (float)
RTX A4000
19170
RTX 4000 Ada Generation
+39%
26730
3DMark Time Spy
RTX A4000
11079
RTX 4000 Ada Generation
+29%
14340
3DMark Time Spy Extreme
RTX A4000
5367
RTX 4000 Ada Generation
+24%
6708
3DMark Speed Way
RTX A4000
2838
RTX 4000 Ada Generation
+29%
3666
Blender
RTX A4000
3190
RTX 4000 Ada Generation
+48%
4737
OctaneBench
RTX A4000
352
RTX 4000 Ada Generation
+39%
492
Graphics Card
Apr 2021
Release Date
Aug 2023
Quadro Ampere
Generation
Workstation Ada
Professional
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
735 MHz
Base Clock
1500 MHz
1560 MHz
Boost Clock
2175 MHz
1750 MHz
Memory Clock
2250 MHz
Memory
16GB
Memory Size
20GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
160bit
448.0GB/s
Bandwidth
360.0GB/s
Render Config
48
SM Count
48
6144
Shading Units
6144
192
TMUs
192
96
ROPs
64
192
Tensor Cores
192
48
RT Cores
48
128 KB (per SM)
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
48 MB
Theoretical Performance
149.8 GPixel/s
Pixel Rate
139.2 GPixel/s
299.5 GTexel/s
Texture Rate
417.6 GTexel/s
19.17 TFLOPS
FP16 (half)
26.73 TFLOPS
19.17 TFLOPS
FP32 (float)
26.73 TFLOPS
299.5 GFLOPS
FP64 (double)
417.6 GFLOPS
Board Design
140W
TDP
130W
300 W
Suggested PSU
300 W
4x DisplayPort 1.4a
Outputs
4x DisplayPort 1.4a
1x 6-pin
Power Connectors
1x 16-pin
Graphics Processor
GA104
GPU Name
AD104
GA104-875-A1
GPU Variant
-
Ampere
Architecture
Ada Lovelace
Samsung
Foundry
TSMC
8 nm
Process Size
5 nm
17.4 billion
Transistors
35.8 billion
392 mm²
Die Size
294 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
8.9
6.7
Shader Model
6.8
