NVIDIA RTX A4000 vs NVIDIA RTX 4000 Ada Generation

VS

NVIDIA RTX A4000 NVIDIA RTX 4000 Ada Generation

We compared a Professional market GPU: 16GB VRAM RTX A4000 and a Desktop platform GPU: 20GB VRAM RTX 4000 Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 's Advantages

Larger VRAM bandwidth (448.0GB/s vs 280.0GB/s)

NVIDIA RTX 4000 Ada Generation 's Advantages

Released 2 years and 4 months late

Boost Clock has increased by 39% (2175MHz vs 1560MHz)

More VRAM (20GB vs 16GB)

Lower TDP (130W vs 140W)

Score

Benchmark

FP32 (float)

RTX A4000

19.17 TFLOPS

RTX 4000 Ada Generation +39%

26.73 TFLOPS

Blender

RTX A4000

3658

RTX 4000 Ada Generation +33%

4876

RTX A4000

VS

RTX 4000 Ada Generation

Graphics Card

Apr 2021

Release Date

Aug 2023

Quadro Ampere

Generation

Quadro Ada

Professional

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

735 MHz

Base Clock

1500 MHz

1560 MHz

Boost Clock

2175 MHz

1750 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

20GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

160bit

448.0GB/s

Bandwidth

280.0GB/s

Render Config

48

SM Count

48

-

Compute Units

-

6144

Shading Units

6144

192

TMUs

192

96

ROPs

80

192

Tensor Cores

192

48

RT Cores

48

128 KB (per SM)

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

48 MB

Theoretical Performance

149.8 GPixel/s

Pixel Rate

174.0 GPixel/s

299.5 GTexel/s

Texture Rate

417.6 GTexel/s

19.17 TFLOPS

FP16 (half)

26.73 TFLOPS

19.17 TFLOPS

FP32 (float)

26.73 TFLOPS

299.5 GFLOPS

FP64 (double)

417.6 GFLOPS

Graphics Processor

GA104

GPU Name

AD104

GA104-875-A1

GPU Variant

-

Ampere

Architecture

Ada Lovelace

Samsung

Foundry

TSMC

8 nm

Process Size

5 nm

17.4 billion

Transistors

35.8 billion

392 mm²

Die Size

294 mm²

Board Design

140W

TDP

130W

300 W

Suggested PSU

300 W

4x DisplayPort 1.4a

Outputs

4x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 16-pin

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

8.9

6.7

Shader Model

6.7

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