NVIDIA RTX A4000H vs AMD Radeon R9 285X

VS

NVIDIA RTX A4000H

AMD Radeon R9 285X

We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H 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 A4000H 's Advantages

Boost Clock1560MHz

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (448.0GB/s vs 264.0GB/s)

4096 additional rendering cores

Lower TDP (140W vs 200W)

Score

Benchmark

FP32 (float)

RTX A4000H +367%

19.17 TFLOPS

Radeon R9 285X

4.104 TFLOPS

RTX A4000H

VS

Radeon R9 285X

Graphics Card

Apr 2021

Release Date

Unknown

Quadro Ampere

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

735 MHz

Base Clock

-

1560 MHz

Boost Clock

-

1750 MHz

Memory Clock

1375 MHz

Memory

16GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

448.0GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

32

48

SM Count

-

6144

Shading Units

2048

192

TMUs

128

96

ROPs

32

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

-

Theoretical Performance

149.8 GPixel/s

Pixel Rate

32.06 GPixel/s

299.5 GTexel/s

Texture Rate

128.3 GTexel/s

19.17 TFLOPS

FP16 (half)

-

19.17 TFLOPS

FP32 (float)

4.104 TFLOPS

299.5 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

200W

300 W

Suggested PSU

550 W

4x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GA104

GPU Name

Tonga

GA104-???-A1

GPU Variant

Tonga XT (215-0851313)

Ampere

Architecture

GCN 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

5 billion

392 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

-

6.7

Shader Model

6.3

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