NVIDIA RTX A4000 Mobile vs NVIDIA RTX A6000
We compared two Professional market GPUs: 8GB VRAM RTX A4000 Mobile and 48GB VRAM RTX A6000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4000 Mobile 's Advantages
Released 6 months late
Lower TDP (115W vs 300W)
NVIDIA RTX A6000 's Advantages
Boost Clock has increased by 7% (1800MHz vs 1680MHz)
More VRAM (48GB vs 8GB)
Larger VRAM bandwidth (768.0GB/s vs 384.0GB/s)
5632 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A4000 Mobile
17.2 TFLOPS
RTX A6000
+125%
38.71 TFLOPS
3DMark Time Spy
RTX A4000 Mobile
9603
RTX A6000
+84%
17742
3DMark Time Spy Extreme
RTX A4000 Mobile
4742
RTX A6000
+96%
9324
3DMark Speed Way
RTX A4000 Mobile
2142
RTX A6000
+131%
4965
Blender
RTX A4000 Mobile
2825
RTX A6000
+90%
5387
OctaneBench
RTX A4000 Mobile
300
RTX A6000
+100%
600
Graphics Card
Apr 2021
Release Date
Oct 2020
Ampere-MW
Generation
Quadro Ampere
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1140 MHz
Base Clock
1410 MHz
1680 MHz
Boost Clock
1800 MHz
1500 MHz
Memory Clock
2000 MHz
Memory
8GB
Memory Size
48GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
384bit
384.0GB/s
Bandwidth
768.0GB/s
Render Config
-
-
-
40
SM Count
84
5120
Shading Units
10752
160
TMUs
336
80
ROPs
112
160
Tensor Cores
336
40
RT Cores
84
128 KB (per SM)
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
6 MB
-
-
-
Theoretical Performance
134.4 GPixel/s
Pixel Rate
201.6 GPixel/s
268.8 GTexel/s
Texture Rate
604.8 GTexel/s
17.20 TFLOPS
FP16 (half)
38.71 TFLOPS
17.20 TFLOPS
FP32 (float)
38.71 TFLOPS
268.8 GFLOPS
FP64 (double)
604.8 GFLOPS
Board Design
115W
TDP
300W
-
Suggested PSU
700 W
Portable Device Dependent
Outputs
4x DisplayPort 1.4a
None
Power Connectors
8-pin EPS
Graphics Processor
GA104
GPU Name
GA102
-
-
-
Ampere
Architecture
Ampere
Samsung
Foundry
Samsung
8 nm
Process Size
8 nm
17.4 billion
Transistors
28.3 billion
392 mm²
Die Size
628 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
6.8
Shader Model
6.7
