NVIDIA GeForce RTX 4080 12 GB vs NVIDIA RTX A400

VS

NVIDIA GeForce RTX 4080 12 GB NVIDIA RTX A400

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4080 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 4080 12 GB 's Advantages

Boost Clock has increased by 48% (2610MHz vs 1762MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (504.2GB/s vs 96.00GB/s)

6912 additional rendering cores

NVIDIA RTX A400 's Advantages

Lower TDP (50W vs 285W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 12 GB +1381%

40.09 TFLOPS

RTX A400

2.706 TFLOPS

GeForce RTX 4080 12 GB

VS

RTX A400

Graphics Card

Unknown

Release Date

Apr 2024

GeForce 40

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

2310 MHz

Base Clock

727 MHz

2610 MHz

Boost Clock

1762 MHz

1313 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

4GB

GDDR6X

Memory Type

GDDR6

192bit

Memory Bus

64bit

504.2GB/s

Bandwidth

96.00GB/s

Render Config

60

SM Count

6

-

Compute Units

-

7680

Shading Units

768

240

TMUs

24

80

ROPs

16

240

Tensor Cores

24

60

RT Cores

6

128 KB (per SM)

L1 Cache

128 KB (per SM)

48 MB

L2 Cache

2 MB

Theoretical Performance

208.8 GPixel/s

Pixel Rate

28.19 GPixel/s

626.4 GTexel/s

Texture Rate

42.29 GTexel/s

40.09 TFLOPS

FP16 (half)

2.706 TFLOPS

40.09 TFLOPS

FP32 (float)

2.706 TFLOPS

626.4 GFLOPS

FP64 (double)

42.29 GFLOPS

Graphics Processor

AD104

GPU Name

GA107

AD104-400-A1

GPU Variant

-

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

4 nm

Process Size

8 nm

35.8 billion

Transistors

8.7 billion

295 mm²

Die Size

200 mm²

Board Design

285W

TDP

50W

600 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

4x mini-DisplayPort 1.4a

1x 16-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

8.9

CUDA

8.6

6.6

Shader Model

6.7

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