NVIDIA RTX A4000 Mobile vs NVIDIA Tesla T4

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We compared two Professional market GPUs: 8GB VRAM RTX A4000 Mobile and 16GB VRAM Tesla T4 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 Mobile 's Advantages

Released 2 years and 7 months late

Boost Clock has increased by 6% (1680MHz vs 1590MHz)

Larger VRAM bandwidth (384.0GB/s vs 320.0GB/s)

2560 additional rendering cores

NVIDIA Tesla T4 's Advantages

More VRAM (16GB vs 8GB)

Lower TDP (70W vs 115W)

Score

Benchmark

FP32 (float)

RTX A4000 Mobile +111%

17.2 TFLOPS

Tesla T4

8.141 TFLOPS

Blender

RTX A4000 Mobile +83%

2682

Tesla T4

1459

OctaneBench

RTX A4000 Mobile +84%

300

Tesla T4

163

RTX A4000 Mobile

VS

Tesla T4

Graphics Card

Apr 2021

Release Date

Sep 2018

Quadro Ampere-M

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1140 MHz

Base Clock

585 MHz

1680 MHz

Boost Clock

1590 MHz

1500 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

384.0GB/s

Bandwidth

320.0GB/s

Render Config

40

SM Count

40

-

Compute Units

-

5120

Shading Units

2560

160

TMUs

160

80

ROPs

64

160

Tensor Cores

320

40

RT Cores

40

128 KB (per SM)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

4 MB

Theoretical Performance

134.4 GPixel/s

Pixel Rate

101.8 GPixel/s

268.8 GTexel/s

Texture Rate

254.4 GTexel/s

17.20 TFLOPS

FP16 (half)

65.13 TFLOPS

17.20 TFLOPS

FP32 (float)

8.141 TFLOPS

268.8 GFLOPS

FP64 (double)

254.4 GFLOPS

Graphics Processor

GA104

GPU Name

TU104

-

GPU Variant

TU104-895-A1

Ampere

Architecture

Turing

Samsung

Foundry

TSMC

8 nm

Process Size

12 nm

17.4 billion

Transistors

13.6 billion

392 mm²

Die Size

545 mm²

Board Design

115W

TDP

70W

-

Suggested PSU

250 W

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

7.5

6.7

Shader Model

6.6

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