NVIDIA GRID K2 vs NVIDIA RTX A4000
We compared two Professional market GPUs: 4GB VRAM GRID K2 and 16GB VRAM RTX A4000 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 11 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)
GRID K2
2.289 TFLOPS
RTX A4000
+737%
19.17 TFLOPS
Graphics Card
May 2013
Release Date
Apr 2021
GRID
Generation
Quadro Ampere
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
735 MHz
-
Boost Clock
1560 MHz
1250 MHz
Memory Clock
1750 MHz
Memory
4GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
448.0GB/s
Render Config
-
-
-
-
SM Count
48
1536
Shading Units
6144
128
TMUs
192
32
ROPs
96
-
Tensor Cores
192
-
RT Cores
48
16 KB (per SMX)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
4 MB
-
-
-
Theoretical Performance
23.84 GPixel/s
Pixel Rate
149.8 GPixel/s
95.36 GTexel/s
Texture Rate
299.5 GTexel/s
-
FP16 (half)
19.17 TFLOPS
2.289 TFLOPS
FP32 (float)
19.17 TFLOPS
95.36 GFLOPS
FP64 (double)
299.5 GFLOPS
Board Design
225W
TDP
140W
550 W
Suggested PSU
300 W
No outputs
Outputs
4x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GK104
GPU Name
GA104
GK104-895-A2
GPU Variant
GA104-875-A1
Kepler
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
3.54 billion
Transistors
17.4 billion
294 mm²
Die Size
392 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.2.175
Vulkan
1.3
3.0
CUDA
8.6
6.5 (5.1)
Shader Model
6.7
