NVIDIA RTX A5000 vs NVIDIA RTX 4000 SFF Ada Generation
We compared two Professional market GPUs: 24GB VRAM RTX A5000 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 A5000 's Advantages
Released 2 years and 5 months late
More VRAM (24GB vs 16GB)
4352 additional rendering cores
Lower TDP (230W vs 300W)
NVIDIA RTX 4000 SFF Ada Generation 's Advantages
Boost Clock has increased by 3% (1746MHz vs 1695MHz)
Larger VRAM bandwidth (1.02TB/s vs 768.0GB/s)
Score
Benchmark
FP32 (float)
RTX A5000
+107%
27.77 TFLOPS
RTX 4000 SFF Ada Generation
13.41 TFLOPS
3DMark Time Spy
RTX A5000
+40%
14600
RTX 4000 SFF Ada Generation
10406
3DMark Time Spy Extreme
RTX A5000
+52%
7285
RTX 4000 SFF Ada Generation
4783
3DMark Speed Way
RTX A5000
+58%
4022
RTX 4000 SFF Ada Generation
2542
Blender
RTX A5000
+29%
4829
RTX 4000 SFF Ada Generation
3717
OctaneBench
RTX A5000
+29%
573
RTX 4000 SFF Ada Generation
443
Graphics Card
Apr 2021
Release Date
Nov 2018
Quadro Ampere
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1170 MHz
Base Clock
1200 MHz
1695 MHz
Boost Clock
1746 MHz
2000 MHz
Memory Clock
1000 MHz
Memory
24GB
Memory Size
16GB
GDDR6
Memory Type
HBM2
384bit
Memory Bus
4096bit
768.0GB/s
Bandwidth
1.02TB/s
Render Config
-
Compute Units
60
64
SM Count
48
8192
Shading Units
3840
256
TMUs
240
96
ROPs
64
256
Tensor Cores
192
64
RT Cores
48
128 KB (per SM)
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
162.7 GPixel/s
Pixel Rate
111.7 GPixel/s
433.9 GTexel/s
Texture Rate
419.0 GTexel/s
27.77 TFLOPS
FP16 (half)
26.82 TFLOPS
27.77 TFLOPS
FP32 (float)
13.41 TFLOPS
433.9 GFLOPS
FP64 (double)
6.705 TFLOPS
Board Design
230W
TDP
300W
550 W
Suggested PSU
700 W
4x DisplayPort 1.4a
Outputs
1x mini-DisplayPort 1.4a
1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
GA102
GPU Name
Vega 20
-
GPU Variant
Vega 20 GLXT
Ampere
Architecture
GCN 5.1
Samsung
Foundry
TSMC
8 nm
Process Size
7 nm
28.3 billion
Transistors
13.23 billion
628 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
