NVIDIA RTX A4 Mobile vs NVIDIA RTX 4000 SFF Ada Generation
We compared two Professional market GPUs: 4GB VRAM RTX A4 Mobile and 16GB VRAM RTX 4000 SFF Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4 Mobile 's Advantages
Released 2 years and 5 months late
Boost Clock has increased by 1% (1770MHz vs 1746MHz)
NVIDIA RTX 4000 SFF Ada Generation 's Advantages
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (1.02TB/s vs 224.0GB/s)
1792 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A4 Mobile
7.25 TFLOPS
RTX 4000 SFF Ada Generation
+84%
13.41 TFLOPS
Graphics Card
Apr 2021
Release Date
Nov 2018
Quadro Ampere-M
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
1297 MHz
Base Clock
1200 MHz
1770 MHz
Boost Clock
1746 MHz
1750 MHz
Memory Clock
1000 MHz
Memory
4GB
Memory Size
16GB
GDDR6
Memory Type
HBM2
128bit
Memory Bus
4096bit
224.0GB/s
Bandwidth
1.02TB/s
Render Config
-
Compute Units
60
16
SM Count
48
2048
Shading Units
3840
64
TMUs
240
32
ROPs
64
64
Tensor Cores
192
16
RT Cores
48
128 KB (per SM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
56.64 GPixel/s
Pixel Rate
111.7 GPixel/s
113.3 GTexel/s
Texture Rate
419.0 GTexel/s
7.250 TFLOPS
FP16 (half)
26.82 TFLOPS
7.250 TFLOPS
FP32 (float)
13.41 TFLOPS
113.3 GFLOPS
FP64 (double)
6.705 TFLOPS
Board Design
Unknown
TDP
300W
-
Suggested PSU
700 W
Portable Device Dependent
Outputs
1x mini-DisplayPort 1.4a
None
Power Connectors
2x 8-pin
Graphics Processor
GA107
GPU Name
Vega 20
-
GPU Variant
Vega 20 GLXT
Ampere
Architecture
GCN 5.1
Samsung
Foundry
TSMC
8 nm
Process Size
7 nm
8.7 billion
Transistors
13.23 billion
200 mm²
Die Size
331 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
8.6
CUDA
8.9
6.7
Shader Model
6.7
