RTX A4000 vs RTX A2000 Mobile
We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 4GB VRAM RTX A2000 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A4000 's Advantages
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (448.0GB/s vs 192.0GB/s)
3584 additional rendering cores
RTX A2000 Mobile 's Advantages
Boost Clock has increased by 8% (1687MHz vs 1560MHz)
Lower TDP (95W vs 140W)
Score
Benchmark
FP32 (float)
RTX A4000
+121%
19170
RTX A2000 Mobile
8637
3DMark Time Spy
RTX A4000
+125%
11079
RTX A2000 Mobile
4917
3DMark Time Spy Extreme
RTX A4000
+89%
5367
RTX A2000 Mobile
2836
3DMark Speed Way
RTX A4000
+120%
2838
RTX A2000 Mobile
1290
Blender
RTX A4000
+161%
3190
RTX A2000 Mobile
1222
OctaneBench
RTX A4000
+319%
352
RTX A2000 Mobile
84
Graphics Card
Apr 2021
Release Date
Apr 2021
Quadro Ampere
Generation
Ampere-MW
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
735 MHz
Base Clock
1215 MHz
1560 MHz
Boost Clock
1687 MHz
1750 MHz
Memory Clock
1500 MHz
Memory
16GB
Memory Size
4GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
128bit
448.0GB/s
Bandwidth
192.0GB/s
Render Config
48
SM Count
20
6144
Shading Units
2560
192
TMUs
80
96
ROPs
48
192
Tensor Cores
80
48
RT Cores
20
128 KB (per SM)
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
2 MB
Theoretical Performance
149.8 GPixel/s
Pixel Rate
80.98 GPixel/s
299.5 GTexel/s
Texture Rate
135.0 GTexel/s
19.17 TFLOPS
FP16 (half)
8.637 TFLOPS
19.17 TFLOPS
FP32 (float)
8.637 TFLOPS
299.5 GFLOPS
FP64 (double)
135.0 GFLOPS
Board Design
140W
TDP
95W
300 W
Suggested PSU
-
4x DisplayPort 1.4a
Outputs
Portable Device Dependent
1x 6-pin
Power Connectors
None
Graphics Processor
GA104
GPU Name
GA107
GA104-875-A1
GPU Variant
-
Ampere
Architecture
Ampere
Samsung
Foundry
Samsung
8 nm
Process Size
8 nm
17.4 billion
Transistors
8.7 billion
392 mm²
Die Size
200 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
8.6
6.7
Shader Model
6.8
