NVIDIA RTX A400 vs AMD Radeon R9 285X

VS

NVIDIA RTX A400

AMD Radeon R9 285X

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Boost Clock1762MHz

More VRAM (4GB vs 3GB)

Lower TDP (50W vs 200W)

AMD Radeon R9 285X 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 96.00GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A400

2.706 TFLOPS

Radeon R9 285X +51%

4.104 TFLOPS

RTX A400

VS

Radeon R9 285X

Graphics Card

Apr 2024

Release Date

Unknown

Quadro Ampere(Ax000)

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1417 MHz

Base Clock

-

1762 MHz

Boost Clock

-

1500 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

384bit

96.00GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

32

6

SM Count

-

768

Shading Units

2048

24

TMUs

128

16

ROPs

32

24

Tensor Cores

-

6

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

28.19 GPixel/s

Pixel Rate

32.06 GPixel/s

42.29 GTexel/s

Texture Rate

128.3 GTexel/s

2.706 TFLOPS

FP16 (half)

-

2.706 TFLOPS

FP32 (float)

4.104 TFLOPS

42.29 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

200W

250 W

Suggested PSU

550 W

4x mini-DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GA107

GPU Name

Tonga

-

GPU Variant

Tonga XT (215-0851313)

Ampere

Architecture

GCN 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

8.7 billion

Transistors

5 billion

200 mm²

Die Size

366 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

8.6

CUDA

-

6.8

Shader Model

6.3

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