NVIDIA RTX A400 vs AMD Radeon R9 285

VS

NVIDIA RTX A400

AMD Radeon R9 285

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 9 years and 7 months late

Boost Clock1762MHz

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 190W)

AMD Radeon R9 285 's Advantages

Larger VRAM bandwidth (176.0GB/s vs 96.00GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A400

2.706 TFLOPS

Radeon R9 285 +21%

3.29 TFLOPS

RTX A400

VS

Radeon R9 285

Graphics Card

Apr 2024

Release Date

Sep 2014

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

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

96.00GB/s

Bandwidth

176.0GB/s

Render Config

-

Compute Units

28

6

SM Count

-

768

Shading Units

1792

24

TMUs

112

16

ROPs

32

24

Tensor Cores

-

6

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

28.19 GPixel/s

Pixel Rate

29.38 GPixel/s

42.29 GTexel/s

Texture Rate

102.8 GTexel/s

2.706 TFLOPS

FP16 (half)

3.290 TFLOPS

2.706 TFLOPS

FP32 (float)

3.290 TFLOPS

42.29 GFLOPS

FP64 (double)

205.6 GFLOPS

Board Design

50W

TDP

190W

250 W

Suggested PSU

450 W

4x mini-DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

GA107

GPU Name

Tonga

-

GPU Variant

Tonga PRO (215-0851128)

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

2.1

1.3

Vulkan

1.2.170

8.6

CUDA

-

6.8

Shader Model

6.5

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