NVIDIA RTX 4000 SFF Ada Generation vs NVIDIA RTX A4000

VS

NVIDIA RTX 4000 SFF Ada Generation

NVIDIA RTX A4000

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

Main Differences

NVIDIA RTX 4000 SFF Ada Generation 's Advantages

Released 1 years and 11 months late

More VRAM (20GB vs 16GB)

Lower TDP (70W vs 140W)

NVIDIA RTX A4000 's Advantages

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

Score

Benchmark

FP32 (float)

RTX 4000 SFF Ada Generation

19.17 TFLOPS

RTX A4000

19.17 TFLOPS

Blender

RTX 4000 SFF Ada Generation +13%

3612

RTX A4000

3190

OctaneBench

RTX 4000 SFF Ada Generation +25%

443

RTX A4000

352

RTX 4000 SFF Ada Generation

VS

RTX A4000

Graphics Card

Mar 2023

Release Date

Apr 2021

Quadro Ada

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

720 MHz

Base Clock

735 MHz

1560 MHz

Boost Clock

1560 MHz

1750 MHz

Memory Clock

1750 MHz

Memory

20GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

160bit

Memory Bus

256bit

280.0GB/s

Bandwidth

448.0GB/s

Render Config

-

48

SM Count

48

6144

Shading Units

6144

192

TMUs

192

80

ROPs

96

192

Tensor Cores

192

48

RT Cores

48

128 KB (per SM)

L1 Cache

128 KB (per SM)

48 MB

L2 Cache

4 MB

-

Theoretical Performance

124.8 GPixel/s

Pixel Rate

149.8 GPixel/s

299.5 GTexel/s

Texture Rate

299.5 GTexel/s

19.17 TFLOPS

FP16 (half)

19.17 TFLOPS

FP32 (float)

19.17 TFLOPS

299.5 GFLOPS

FP64 (double)

299.5 GFLOPS

Board Design

70W

TDP

140W

250 W

Suggested PSU

300 W

4x mini-DisplayPort 1.4a

Outputs

4x DisplayPort 1.4a

None

Power Connectors

1x 6-pin

Graphics Processor

AD104

GPU Name

GA104

-

GPU Variant

GA104-875-A1

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

35.8 billion

Transistors

17.4 billion

294 mm²

Die Size

392 mm²

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

8.9

CUDA

8.6

6.7

Shader Model

6.7

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