NVIDIA RTX A4000 vs NVIDIA GRID K280Q
We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 4GB VRAM GRID K280Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4000 's Advantages
Released 7 years and 10 months late
Boost Clock1560MHz
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (448.0GB/s vs 160.0GB/s)
4608 additional rendering cores
Lower TDP (140W vs 225W)
Score
Benchmark
FP32 (float)
RTX A4000
+737%
19.17 TFLOPS
GRID K280Q
2.289 TFLOPS
Graphics Card
Apr 2021
Release Date
Jun 2013
Quadro Ampere
Generation
GRID
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
735 MHz
Base Clock
-
1560 MHz
Boost Clock
-
1750 MHz
Memory Clock
1250 MHz
Memory
16GB
Memory Size
4GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
448.0GB/s
Bandwidth
160.0GB/s
Render Config
-
-
-
48
SM Count
-
6144
Shading Units
1536
192
TMUs
128
96
ROPs
32
192
Tensor Cores
-
48
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
149.8 GPixel/s
Pixel Rate
23.84 GPixel/s
299.5 GTexel/s
Texture Rate
95.36 GTexel/s
19.17 TFLOPS
FP16 (half)
-
19.17 TFLOPS
FP32 (float)
2.289 TFLOPS
299.5 GFLOPS
FP64 (double)
95.36 GFLOPS
Board Design
140W
TDP
225W
300 W
Suggested PSU
550 W
4x DisplayPort 1.4a
Outputs
No outputs
1x 6-pin
Power Connectors
-
Graphics Processor
GA104
GPU Name
GK104
GA104-875-A1
GPU Variant
-
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
6.7
Shader Model
5.1
