NVIDIA RTX A6000 vs NVIDIA RTX A4000

VS

NVIDIA RTX A6000

NVIDIA RTX A4000

We compared two Professional market GPUs: 48GB VRAM RTX A6000 and 16GB VRAM RTX A4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A6000 's Advantages

Boost Clock has increased by 15% (1800MHz vs 1560MHz)

More VRAM (48GB vs 16GB)

Larger VRAM bandwidth (768.0GB/s vs 448.0GB/s)

4608 additional rendering cores

NVIDIA RTX A4000 's Advantages

Released 6 months late

Lower TDP (140W vs 300W)

Score

Benchmark

FP32 (float)

RTX A6000 +101%

38.71 TFLOPS

RTX A4000

19.17 TFLOPS

3DMark Time Spy

RTX A6000 +60%

17796

RTX A4000

11086

Blender

RTX A6000 +68%

5387

RTX A4000

3190

OctaneBench

RTX A6000 +70%

600

RTX A4000

352

Shadow of the Tomb Raider 2160p

RTX A6000 +100%

100

RTX A4000

50

Shadow of the Tomb Raider 1440p

RTX A6000 +57%

165

RTX A4000

105

Shadow of the Tomb Raider 1080p

RTX A6000 +50%

225

RTX A4000

150

RTX A6000

VS

RTX A4000

Graphics Card

Oct 2020

Release Date

Apr 2021

Quadro Ampere

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1410 MHz

Base Clock

735 MHz

1800 MHz

Boost Clock

1560 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

48GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

256bit

768.0GB/s

Bandwidth

448.0GB/s

Render Config

-

84

SM Count

48

10752

Shading Units

6144

336

TMUs

192

112

ROPs

96

336

Tensor Cores

192

84

RT Cores

48

128 KB (per SM)

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

4 MB

-

Theoretical Performance

201.6 GPixel/s

Pixel Rate

149.8 GPixel/s

604.8 GTexel/s

Texture Rate

299.5 GTexel/s

38.71 TFLOPS

FP16 (half)

19.17 TFLOPS

38.71 TFLOPS

FP32 (float)

19.17 TFLOPS

604.8 GFLOPS

FP64 (double)

299.5 GFLOPS

Board Design

300W

TDP

140W

700 W

Suggested PSU

300 W

4x DisplayPort 1.4a

Outputs

4x DisplayPort 1.4a

8-pin EPS

Power Connectors

1x 6-pin

Graphics Processor

GA102

GPU Name

GA104

-

GPU Variant

GA104-875-A1

Ampere

Architecture

Ampere

Samsung

Foundry

Samsung

8 nm

Process Size

8 nm

28.3 billion

Transistors

17.4 billion

628 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

8.6

CUDA

8.6

6.7

Shader Model

6.7

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