NVIDIA RTX A4000 Mobile vs NVIDIA GRID K520Q
We compared two Professional market GPUs: 8GB VRAM RTX A4000 Mobile and 4GB VRAM GRID K520Q 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 years and 9 months late
Boost Clock1680MHz
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (384.0GB/s vs 160.0GB/s)
3584 additional rendering cores
Lower TDP (115W vs 225W)
Score
Benchmark
FP32 (float)
RTX A4000 Mobile
+651%
17.2 TFLOPS
GRID K520Q
2.289 TFLOPS
Graphics Card
Apr 2021
Release Date
Jul 2014
Ampere-MW
Generation
GRID
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1140 MHz
Base Clock
-
1680 MHz
Boost Clock
-
1500 MHz
Memory Clock
1250 MHz
Memory
8GB
Memory Size
4GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
384.0GB/s
Bandwidth
160.0GB/s
Render Config
-
-
-
40
SM Count
-
5120
Shading Units
1536
160
TMUs
128
80
ROPs
32
160
Tensor Cores
-
40
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
134.4 GPixel/s
Pixel Rate
23.84 GPixel/s
268.8 GTexel/s
Texture Rate
95.36 GTexel/s
17.20 TFLOPS
FP16 (half)
-
17.20 TFLOPS
FP32 (float)
2.289 TFLOPS
268.8 GFLOPS
FP64 (double)
95.36 GFLOPS
Board Design
115W
TDP
225W
-
Suggested PSU
550 W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GA104
GPU Name
GK104
-
-
-
Ampere
Architecture
Kepler
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
17.4 billion
Transistors
3.54 billion
392 mm²
Die Size
294 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
8.6
CUDA
3.0
6.8
Shader Model
5.1
