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GPU Comparison
NVIDIA Tesla K20m vs NVIDIA Quadro K4000
NVIDIA Tesla K20m vs NVIDIA Quadro K4000
VS
NVIDIA Tesla K20m
NVIDIA Quadro K4000
We compared two Professional market GPUs: 5GB VRAM Tesla K20m and 3GB VRAM Quadro K4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20m 's Advantages
More VRAM (5GB vs 3GB)
Larger VRAM bandwidth (208.0GB/s vs 134.8GB/s)
1728 additional rendering cores
NVIDIA Quadro K4000 's Advantages
Lower TDP (80W vs 225W)
Score
Benchmark
FP32 (float)
Tesla K20m
+183%
3.524 TFLOPS
Quadro K4000
1.244 TFLOPS
Tesla K20m
VS
Quadro K4000
Graphics Card
Jan 2013
Release Date
Mar 2013
Tesla
Generation
Quadro
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1300 MHz
Memory Clock
1404 MHz
Memory
5GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
320bit
Memory Bus
192bit
208.0GB/s
Bandwidth
134.8GB/s
Render Config
-
SM Count
-
-
Compute Units
-
2496
Shading Units
768
208
TMUs
64
40
ROPs
24
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
1280 KB
L2 Cache
384 KB
Theoretical Performance
36.71 GPixel/s
Pixel Rate
12.96 GPixel/s
146.8 GTexel/s
Texture Rate
51.84 GTexel/s
-
FP16 (half)
-
3.524 TFLOPS
FP32 (float)
1244 GFLOPS
1175 GFLOPS
FP64 (double)
51.84 GFLOPS
Graphics Processor
GK110
GPU Name
GK106
-
GPU Variant
-
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
7.08 billion
Transistors
2.54 billion
561 mm²
Die Size
221 mm²
Board Design
225W
TDP
80W
550 W
Suggested PSU
250 W
No outputs
Outputs
1x DVI 2x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.5
CUDA
3.0
5.1
Shader Model
5.1
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