NVIDIA GeForce RTX 3080 12 GB vs NVIDIA RTX A400

VS

NVIDIA GeForce RTX 3080 12 GB NVIDIA RTX A400

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 12 GB and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 12 GB 's Advantages

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (912.4GB/s vs 96.00GB/s)

8192 additional rendering cores

NVIDIA RTX A400 's Advantages

Released 2 years and 3 months late

Boost Clock has increased by 3% (1762MHz vs 1710MHz)

Lower TDP (50W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 12 GB +1032%

30.64 TFLOPS

RTX A400

2.706 TFLOPS

GeForce RTX 3080 12 GB

VS

RTX A400

Graphics Card

Jan 2022

Release Date

Apr 2024

GeForce 30

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1260 MHz

Base Clock

727 MHz

1710 MHz

Boost Clock

1762 MHz

1188 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

4GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

64bit

912.4GB/s

Bandwidth

96.00GB/s

Render Config

70

SM Count

6

-

Compute Units

-

8960

Shading Units

768

280

TMUs

24

96

ROPs

16

280

Tensor Cores

24

70

RT Cores

6

128 KB (per SM)

L1 Cache

128 KB (per SM)

5 MB

L2 Cache

2 MB

Theoretical Performance

164.2 GPixel/s

Pixel Rate

28.19 GPixel/s

478.8 GTexel/s

Texture Rate

42.29 GTexel/s

30.64 TFLOPS

FP16 (half)

2.706 TFLOPS

30.64 TFLOPS

FP32 (float)

2.706 TFLOPS

478.8 GFLOPS

FP64 (double)

42.29 GFLOPS

Graphics Processor

GA102

GPU Name

GA107

GA102-220-A1

GPU Variant

-

Ampere

Architecture

Ampere

Samsung

Foundry

Samsung

8 nm

Process Size

8 nm

28.3 billion

Transistors

8.7 billion

628 mm²

Die Size

200 mm²

Board Design

350W

TDP

50W

750 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

4x mini-DisplayPort 1.4a

1x 12-pin

Power Connectors

None

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

6.6

Shader Model

6.7

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