NVIDIA RTX A2000 vs NVIDIA RTX 4000 SFF Ada Generation
We compared two Professional market GPUs: 6GB VRAM RTX A2000 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 A2000 's Advantages
Released 2 years and 9 months late
Lower TDP (70W vs 300W)
NVIDIA RTX 4000 SFF Ada Generation 's Advantages
Boost Clock has increased by 46% (1746MHz vs 1200MHz)
More VRAM (16GB vs 6GB)
Larger VRAM bandwidth (1.02TB/s vs 288.0GB/s)
512 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A2000
7.987 TFLOPS
RTX 4000 SFF Ada Generation
+67%
13.41 TFLOPS
3DMark Time Spy
RTX A2000
5936
RTX 4000 SFF Ada Generation
+75%
10406
3DMark Time Spy Extreme
RTX A2000
2712
RTX 4000 SFF Ada Generation
+76%
4783
3DMark Speed Way
RTX A2000
1480
RTX 4000 SFF Ada Generation
+71%
2542
Graphics Card
Aug 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
562 MHz
Base Clock
1200 MHz
1200 MHz
Boost Clock
1746 MHz
1500 MHz
Memory Clock
1000 MHz
Memory
6GB
Memory Size
16GB
GDDR6
Memory Type
HBM2
192bit
Memory Bus
4096bit
288.0GB/s
Bandwidth
1.02TB/s
Render Config
-
Compute Units
60
26
SM Count
48
3328
Shading Units
3840
104
TMUs
240
48
ROPs
64
104
Tensor Cores
192
26
RT Cores
48
128 KB (per SM)
L1 Cache
16 KB (per CU)
3 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
57.60 GPixel/s
Pixel Rate
111.7 GPixel/s
124.8 GTexel/s
Texture Rate
419.0 GTexel/s
7.987 TFLOPS
FP16 (half)
26.82 TFLOPS
7.987 TFLOPS
FP32 (float)
13.41 TFLOPS
124.8 GFLOPS
FP64 (double)
6.705 TFLOPS
Board Design
70W
TDP
300W
250 W
Suggested PSU
700 W
4x mini-DisplayPort 1.4a
Outputs
1x mini-DisplayPort 1.4a
None
Power Connectors
2x 8-pin
Graphics Processor
GA106
GPU Name
Vega 20
GA106-850-A1
GPU Variant
Vega 20 GLXT
Ampere
Architecture
GCN 5.1
Samsung
Foundry
TSMC
8 nm
Process Size
7 nm
12 billion
Transistors
13.23 billion
276 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
