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