RTX A6000 vs RTX A4000 Mobile
We compared two Professional market GPUs: 48GB VRAM RTX A6000 and 8GB VRAM RTX A4000 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
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
RTX A4000 Mobile 's Advantages
Released 6 months late
Lower TDP (115W vs 300W)
Score
Benchmark
FP32 (float)
RTX A6000
+125%
38710
RTX A4000 Mobile
17200
3DMark Time Spy
RTX A6000
+84%
17742
RTX A4000 Mobile
9603
3DMark Time Spy Extreme
RTX A6000
+96%
9324
RTX A4000 Mobile
4742
3DMark Speed Way
RTX A6000
+131%
4965
RTX A4000 Mobile
2142
Blender
RTX A6000
+90%
5387
RTX A4000 Mobile
2825
OctaneBench
RTX A6000
+100%
600
RTX A4000 Mobile
300
Graphics Card
Oct 2020
Release Date
Apr 2021
Quadro Ampere
Generation
Ampere-MW
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1410 MHz
Base Clock
1140 MHz
1800 MHz
Boost Clock
1680 MHz
2000 MHz
Memory Clock
1500 MHz
Memory
48GB
Memory Size
8GB
GDDR6
Memory Type
GDDR6
384bit
Memory Bus
256bit
768.0GB/s
Bandwidth
384.0GB/s
Render Config
84
SM Count
40
10752
Shading Units
5120
336
TMUs
160
112
ROPs
80
336
Tensor Cores
160
84
RT Cores
40
128 KB (per SM)
L1 Cache
128 KB (per SM)
6 MB
L2 Cache
4 MB
Theoretical Performance
201.6 GPixel/s
Pixel Rate
134.4 GPixel/s
604.8 GTexel/s
Texture Rate
268.8 GTexel/s
38.71 TFLOPS
FP16 (half)
17.20 TFLOPS
38.71 TFLOPS
FP32 (float)
17.20 TFLOPS
604.8 GFLOPS
FP64 (double)
268.8 GFLOPS
Board Design
300W
TDP
115W
700 W
Suggested PSU
-
4x DisplayPort 1.4a
Outputs
Portable Device Dependent
8-pin EPS
Power Connectors
None
Graphics Processor
GA102
GPU Name
GA104
Ampere
Architecture
Ampere
Samsung
Foundry
Samsung
8 nm
Process Size
8 nm
28.3 billion
Transistors
17.4 billion
628 mm²
Die Size
392 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
