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GPU Comparison
NVIDIA Quadro K620 vs NVIDIA Quadro K4000
NVIDIA Quadro K620 vs NVIDIA Quadro K4000
VS
NVIDIA Quadro K620
NVIDIA Quadro K4000
We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 3GB VRAM Quadro K4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Quadro K620 's Advantages
Released 1 years and 4 months late
Boost Clock1124MHz
Lower TDP (45W vs 80W)
NVIDIA Quadro K4000 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (134.8GB/s vs 28.80GB/s)
384 additional rendering cores
Score
Benchmark
FP32 (float)
Quadro K620
0.863 TFLOPS
Quadro K4000
+44%
1.244 TFLOPS
Quadro K620
VS
Quadro K4000
Graphics Card
Jul 2014
Release Date
Mar 2013
Quadro
Generation
Quadro
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1058 MHz
Base Clock
-
1124 MHz
Boost Clock
-
900 MHz
Memory Clock
1404 MHz
Memory
2GB
Memory Size
3GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
192bit
28.80GB/s
Bandwidth
134.8GB/s
Render Config
-
SM Count
-
-
Compute Units
-
384
Shading Units
768
24
TMUs
64
16
ROPs
24
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SMM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
384 KB
Theoretical Performance
17.98 GPixel/s
Pixel Rate
12.96 GPixel/s
26.98 GTexel/s
Texture Rate
51.84 GTexel/s
-
FP16 (half)
-
863.2 GFLOPS
FP32 (float)
1244 GFLOPS
26.98 GFLOPS
FP64 (double)
51.84 GFLOPS
Graphics Processor
GM107
GPU Name
GK106
GM107-850-A2
GPU Variant
-
Maxwell
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
2.54 billion
148 mm²
Die Size
221 mm²
Board Design
45W
TDP
80W
200 W
Suggested PSU
250 W
1x DVI 1x DisplayPort 1.4a
Outputs
1x DVI 2x DisplayPort 1.2
None
Power Connectors
1x 6-pin
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
5.0
CUDA
3.0
5.1
Shader Model
5.1
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