Home GPU Comparison NVIDIA RTX A4000 Mobile vs NVIDIA Tesla K20c

NVIDIA RTX A4000 Mobile vs NVIDIA Tesla K20c

We compared two Professional market GPUs: 8GB VRAM RTX A4000 Mobile and 5GB VRAM Tesla K20c to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 Mobile 's Advantages
Released 8 years and 5 months late
Boost Clock1680MHz
More VRAM (8GB vs 5GB)
Larger VRAM bandwidth (384.0GB/s vs 208.0GB/s)
2624 additional rendering cores
Lower TDP (115W vs 225W)

Score

Benchmark

FP32 (float)
RTX A4000 Mobile +388%
17.2 TFLOPS
Tesla K20c
3.524 TFLOPS
OctaneBench
RTX A4000 Mobile +445%
300
Tesla K20c
55
VS

Graphics Card

Apr 2021
Release Date
Nov 2012
Quadro Ampere-M
Generation
Tesla
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

1140 MHz
Base Clock
-
1680 MHz
Boost Clock
-
1500 MHz
Memory Clock
1300 MHz

Memory

8GB
Memory Size
5GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
320bit
384.0GB/s
Bandwidth
208.0GB/s

Render Config

-
-
-
40
SM Count
-
5120
Shading Units
2496
160
TMUs
208
80
ROPs
40
160
Tensor Cores
-
40
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
1280 KB
-
-
-

Theoretical Performance

134.4 GPixel/s
Pixel Rate
36.71 GPixel/s
268.8 GTexel/s
Texture Rate
146.8 GTexel/s
17.20 TFLOPS
FP16 (half)
-
17.20 TFLOPS
FP32 (float)
3.524 TFLOPS
268.8 GFLOPS
FP64 (double)
1175 GFLOPS

Board Design

115W
TDP
225W
-
Suggested PSU
550 W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

GA104
GPU Name
GK110
-
GPU Variant
GK110-885-KA-A1
Ampere
Architecture
Kepler
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
17.4 billion
Transistors
7.08 billion
392 mm²
Die Size
561 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
8.6
CUDA
3.5
6.7
Shader Model
5.1

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