NVIDIA RTX A6000 vs NVIDIA A800 PCIe 40 GB

VS

AI GPU We compared a Professional market GPU: 48GB VRAM RTX A6000 and a GPU: 40GB VRAM A800 PCIe 40 GB 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 28% (1800MHz vs 1410MHz)

More VRAM (48GB vs 40GB)

3840 additional rendering cores

NVIDIA A800 PCIe 40 GB 's Advantages

Released 2 years and 1 months late

Larger VRAM bandwidth (1555GB/s vs 768.0GB/s)

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

RTX A6000 +98%

38.71 TFLOPS

A800 PCIe 40 GB

19.49 TFLOPS

RTX A6000

VS

A800 PCIe 40 GB

Graphics Card

Oct 2020

Release Date

Nov 2022

Quadro Ampere

Generation

Ampere

Professional

Type

AI GPU

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1410 MHz

Base Clock

765 MHz

1800 MHz

Boost Clock

1410 MHz

2000 MHz

Memory Clock

1215 MHz

Memory

48GB

Memory Size

40GB

GDDR6

Memory Type

HBM2e

384bit

Memory Bus

5120bit

768.0GB/s

Bandwidth

1555GB/s

Render Config

84

SM Count

108

-

Compute Units

-

10752

Shading Units

6912

336

TMUs

432

112

ROPs

160

336

Tensor Cores

432

84

RT Cores

-

128 KB (per SM)

L1 Cache

192 KB (per SM)

6 MB

L2 Cache

40 MB

Theoretical Performance

201.6 GPixel/s

Pixel Rate

225.6 GPixel/s

604.8 GTexel/s

Texture Rate

609.1 GTexel/s

38.71 TFLOPS

FP16 (half)

77.97 TFLOPS

38.71 TFLOPS

FP32 (float)

19.49 TFLOPS

604.8 GFLOPS

FP64 (double)

9.746 TFLOPS

Graphics Processor

GA102

GPU Name

GA100

-

GPU Variant

-

Ampere

Architecture

Ampere

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

28.3 billion

Transistors

54.2 billion

628 mm²

Die Size

826 mm²

Board Design

300W

TDP

250W

700 W

Suggested PSU

600 W

4x DisplayPort 1.4a

Outputs

No outputs

8-pin EPS

Power Connectors

8-pin EPS

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

8.6

CUDA

8.0

6.7

Shader Model

N/A

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