NVIDIA RTX A400 vs NVIDIA RTX A1000

VS

NVIDIA RTX A400

NVIDIA RTX A1000

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 8GB VRAM RTX A1000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Boost Clock has increased by 21% (1762MHz vs 1462MHz)

NVIDIA RTX A1000 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (192.0GB/s vs 96.00GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A400

2.706 TFLOPS

RTX A1000 +148%

6.737 TFLOPS

RTX A400

VS

RTX A1000

Graphics Card

Apr 2024

Release Date

Apr 2024

Quadro Ampere(Ax000)

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1417 MHz

Base Clock

727 MHz

1762 MHz

Boost Clock

1462 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

128bit

96.00GB/s

Bandwidth

192.0GB/s

Render Config

-

6

SM Count

18

768

Shading Units

2304

24

TMUs

72

16

ROPs

32

24

Tensor Cores

72

6

RT Cores

18

128 KB (per SM)

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

2 MB

-

Theoretical Performance

28.19 GPixel/s

Pixel Rate

46.78 GPixel/s

42.29 GTexel/s

Texture Rate

105.3 GTexel/s

2.706 TFLOPS

FP16 (half)

6.737 TFLOPS

2.706 TFLOPS

FP32 (float)

6.737 TFLOPS

42.29 GFLOPS

FP64 (double)

105.3 GFLOPS

Board Design

50W

TDP

50W

250 W

Suggested PSU

250 W

4x mini-DisplayPort 1.4a

Outputs

4x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

GA107

GPU Name

GA107

-

Ampere

Architecture

Ampere

Samsung

Foundry

Samsung

8 nm

Process Size

8 nm

8.7 billion

Transistors

8.7 billion

200 mm²

Die Size

200 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

6.8

Shader Model

6.7

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