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GPU Comparison
NVIDIA A800 PCIe 80 GB vs NVIDIA Tesla K20X
NVIDIA A800 PCIe 80 GB vs NVIDIA Tesla K20X
VS
NVIDIA A800 PCIe 80 GB
NVIDIA Tesla K20X
AI GPU We compared a GPU: 80GB VRAM A800 PCIe 80 GB and a Professional market GPU: 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA A800 PCIe 80 GB 's Advantages
Released 10 years late
Boost Clock1410MHz
More VRAM (80GB vs 6GB)
Larger VRAM bandwidth (2039GB/s vs 249.6GB/s)
4224 additional rendering cores
NVIDIA Tesla K20X 's Advantages
Lower TDP (235W vs 250W)
Score
Benchmark
FP32 (float)
A800 PCIe 80 GB
+395%
19.49 TFLOPS
Tesla K20X
3.935 TFLOPS
A800 PCIe 80 GB
VS
Tesla K20X
Graphics Card
Nov 2022
Release Date
Nov 2012
Ampere
Generation
Tesla
AI GPU
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1065 MHz
Base Clock
-
1410 MHz
Boost Clock
-
1593 MHz
Memory Clock
1300 MHz
Memory
80GB
Memory Size
6GB
HBM2e
Memory Type
GDDR5
5120bit
Memory Bus
384bit
2039GB/s
Bandwidth
249.6GB/s
Render Config
108
SM Count
-
-
Compute Units
-
6912
Shading Units
2688
432
TMUs
224
160
ROPs
48
432
Tensor Cores
-
-
RT Cores
-
192 KB (per SM)
L1 Cache
16 KB (per SMX)
80 MB
L2 Cache
1536 KB
Theoretical Performance
225.6 GPixel/s
Pixel Rate
40.99 GPixel/s
609.1 GTexel/s
Texture Rate
164.0 GTexel/s
77.97 TFLOPS
FP16 (half)
-
19.49 TFLOPS
FP32 (float)
3.935 TFLOPS
9.746 TFLOPS
FP64 (double)
1312 GFLOPS
Graphics Processor
GA100
GPU Name
GK110
-
GPU Variant
-
Ampere
Architecture
Kepler
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
54.2 billion
Transistors
7.08 billion
826 mm²
Die Size
561 mm²
Board Design
250W
TDP
235W
600 W
Suggested PSU
550 W
No outputs
Outputs
No outputs
8-pin EPS
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
N/A
DirectX
12 (11_0)
N/A
OpenGL
4.6
3.0
OpenCL
3.0
N/A
Vulkan
1.1
8.0
CUDA
3.5
N/A
Shader Model
5.1
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