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GPU Comparison
NVIDIA RTX 4000 SFF Ada Generation vs NVIDIA RTX A4000
NVIDIA RTX 4000 SFF Ada Generation vs NVIDIA RTX A4000
VS
NVIDIA RTX 4000 SFF Ada Generation
NVIDIA RTX A4000
We compared two Professional market GPUs: 20GB VRAM RTX 4000 SFF Ada Generation and 16GB VRAM RTX A4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX 4000 SFF Ada Generation 's Advantages
Released 1 years and 11 months late
More VRAM (20GB vs 16GB)
Lower TDP (70W vs 140W)
NVIDIA RTX A4000 's Advantages
Larger VRAM bandwidth (448.0GB/s vs 280.0GB/s)
Score
Benchmark
FP32 (float)
RTX 4000 SFF Ada Generation
19.17 TFLOPS
RTX A4000
19.17 TFLOPS
Blender
RTX 4000 SFF Ada Generation
+1%
3723
RTX A4000
3658
RTX 4000 SFF Ada Generation
VS
RTX A4000
Graphics Card
Mar 2023
Release Date
Apr 2021
Quadro Ada
Generation
Quadro Ampere
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
720 MHz
Base Clock
735 MHz
1560 MHz
Boost Clock
1560 MHz
1750 MHz
Memory Clock
1750 MHz
Memory
20GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
160bit
Memory Bus
256bit
280.0GB/s
Bandwidth
448.0GB/s
Render Config
48
SM Count
48
-
Compute Units
-
6144
Shading Units
6144
192
TMUs
192
80
ROPs
96
192
Tensor Cores
192
48
RT Cores
48
128 KB (per SM)
L1 Cache
128 KB (per SM)
48 MB
L2 Cache
4 MB
Theoretical Performance
124.8 GPixel/s
Pixel Rate
149.8 GPixel/s
299.5 GTexel/s
Texture Rate
299.5 GTexel/s
19.17 TFLOPS
FP16 (half)
19.17 TFLOPS
19.17 TFLOPS
FP32 (float)
19.17 TFLOPS
299.5 GFLOPS
FP64 (double)
299.5 GFLOPS
Graphics Processor
AD104
GPU Name
GA104
-
GPU Variant
GA104-875-A1
Ada Lovelace
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
35.8 billion
Transistors
17.4 billion
294 mm²
Die Size
392 mm²
Board Design
70W
TDP
140W
250 W
Suggested PSU
300 W
4x mini-DisplayPort 1.4a
Outputs
4x DisplayPort 1.4a
None
Power Connectors
1x 6-pin
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
8.9
CUDA
8.6
6.7
Shader Model
6.7
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