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GPU Comparison
NVIDIA Quadro K4000 vs NVIDIA Tesla K20X
NVIDIA Quadro K4000 vs NVIDIA Tesla K20X
VS
NVIDIA Quadro K4000
NVIDIA Tesla K20X
We compared two Professional market GPUs: 3GB VRAM Quadro K4000 and 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Quadro K4000 's Advantages
Lower TDP (80W vs 235W)
NVIDIA Tesla K20X 's Advantages
More VRAM (6GB vs 3GB)
Larger VRAM bandwidth (249.6GB/s vs 134.8GB/s)
1920 additional rendering cores
Score
Benchmark
FP32 (float)
Quadro K4000
1.244 TFLOPS
Tesla K20X
+216%
3.935 TFLOPS
Quadro K4000
VS
Tesla K20X
Graphics Card
Mar 2013
Release Date
Nov 2012
Quadro
Generation
Tesla
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1404 MHz
Memory Clock
1300 MHz
Memory
3GB
Memory Size
6GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
384bit
134.8GB/s
Bandwidth
249.6GB/s
Render Config
-
SM Count
-
-
Compute Units
-
768
Shading Units
2688
64
TMUs
224
24
ROPs
48
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
384 KB
L2 Cache
1536 KB
Theoretical Performance
12.96 GPixel/s
Pixel Rate
40.99 GPixel/s
51.84 GTexel/s
Texture Rate
164.0 GTexel/s
-
FP16 (half)
-
1244 GFLOPS
FP32 (float)
3.935 TFLOPS
51.84 GFLOPS
FP64 (double)
1312 GFLOPS
Graphics Processor
GK106
GPU Name
GK110
-
GPU Variant
-
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.54 billion
Transistors
7.08 billion
221 mm²
Die Size
561 mm²
Board Design
80W
TDP
235W
250 W
Suggested PSU
550 W
1x DVI 2x DisplayPort 1.2
Outputs
No outputs
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.0
CUDA
3.5
5.1
Shader Model
5.1
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