NVIDIA Tesla K20Xm vs NVIDIA RTX A4500 Mobile

VS

NVIDIA Tesla K20Xm NVIDIA RTX A4500 Mobile

We compared two Professional market GPUs: 6GB VRAM Tesla K20Xm and 16GB VRAM RTX A4500 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4500 Mobile 's Advantages

Released 9 years and 4 months late

Boost Clock1500MHz

More VRAM (16GB vs 6GB)

Larger VRAM bandwidth (512.0GB/s vs 249.6GB/s)

3200 additional rendering cores

Lower TDP (140W vs 235W)

Score

Benchmark

FP32 (float)

Tesla K20Xm

3.935 TFLOPS

RTX A4500 Mobile +348%

17.66 TFLOPS

Blender

Tesla K20Xm

372

RTX A4500 Mobile +773%

3250

OctaneBench

Tesla K20Xm

63

RTX A4500 Mobile +426%

332

Tesla K20Xm

VS

RTX A4500 Mobile

Graphics Card

Nov 2012

Release Date

Mar 2022

Tesla

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

930 MHz

-

Boost Clock

1500 MHz

1300 MHz

Memory Clock

2000 MHz

Memory

6GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

249.6GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

46

-

Compute Units

-

2688

Shading Units

5888

224

TMUs

184

48

ROPs

96

-

Tensor Cores

184

-

RT Cores

46

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1536 KB

L2 Cache

4 MB

Theoretical Performance

40.99 GPixel/s

Pixel Rate

144.0 GPixel/s

164.0 GTexel/s

Texture Rate

276.0 GTexel/s

-

FP16 (half)

17.66 TFLOPS

3.935 TFLOPS

FP32 (float)

17.66 TFLOPS

1312 GFLOPS

FP64 (double)

276.0 GFLOPS

Graphics Processor

GK110

GPU Name

GA104

-

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

7.08 billion

Transistors

17.4 billion

561 mm²

Die Size

392 mm²

Board Design

235W

TDP

140W

550 W

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

8.6

5.1

Shader Model

6.7

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