NVIDIA RTX A4000 Mobile vs NVIDIA RTX 4000 SFF Ada Generation
We compared two Professional market GPUs: 8GB VRAM RTX A4000 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 A4000 Mobile 's Advantages
Released 2 years and 5 months late
1280 additional rendering cores
Lower TDP (115W vs 300W)
NVIDIA RTX 4000 SFF Ada Generation 's Advantages
Boost Clock has increased by 4% (1746MHz vs 1680MHz)
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (1.02TB/s vs 384.0GB/s)
Score
Benchmark
FP32 (float)
RTX A4000 Mobile
+28%
17.2 TFLOPS
RTX 4000 SFF Ada Generation
13.41 TFLOPS
3DMark Time Spy
RTX A4000 Mobile
9603
RTX 4000 SFF Ada Generation
+8%
10406
3DMark Time Spy Extreme
RTX A4000 Mobile
4742
RTX 4000 SFF Ada Generation
4783
3DMark Speed Way
RTX A4000 Mobile
2142
RTX 4000 SFF Ada Generation
+18%
2542
Blender
RTX A4000 Mobile
2825
RTX 4000 SFF Ada Generation
+31%
3717
OctaneBench
RTX A4000 Mobile
300
RTX 4000 SFF Ada Generation
+47%
443
Graphics Card
Apr 2021
Release Date
Nov 2018
Ampere-MW
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1140 MHz
Base Clock
1200 MHz
1680 MHz
Boost Clock
1746 MHz
1500 MHz
Memory Clock
1000 MHz
Memory
8GB
Memory Size
16GB
GDDR6
Memory Type
HBM2
256bit
Memory Bus
4096bit
384.0GB/s
Bandwidth
1.02TB/s
Render Config
-
Compute Units
60
40
SM Count
48
5120
Shading Units
3840
160
TMUs
240
80
ROPs
64
160
Tensor Cores
192
40
RT Cores
48
128 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
134.4 GPixel/s
Pixel Rate
111.7 GPixel/s
268.8 GTexel/s
Texture Rate
419.0 GTexel/s
17.20 TFLOPS
FP16 (half)
26.82 TFLOPS
17.20 TFLOPS
FP32 (float)
13.41 TFLOPS
268.8 GFLOPS
FP64 (double)
6.705 TFLOPS
Board Design
115W
TDP
300W
-
Suggested PSU
700 W
Portable Device Dependent
Outputs
1x mini-DisplayPort 1.4a
None
Power Connectors
2x 8-pin
Graphics Processor
GA104
GPU Name
Vega 20
-
GPU Variant
Vega 20 GLXT
Ampere
Architecture
GCN 5.1
Samsung
Foundry
TSMC
8 nm
Process Size
7 nm
17.4 billion
Transistors
13.23 billion
392 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
6.8
Shader Model
6.7
