AMD Radeon R9 285 vs NVIDIA RTX A400

VS

AMD Radeon R9 285

NVIDIA RTX A400

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

Main Differences

AMD Radeon R9 285 's Advantages

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

1024 additional rendering cores

NVIDIA RTX A400 's Advantages

Released 9 years and 7 months late

Boost Clock1762MHz

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285 +21%

3.29 TFLOPS

RTX A400

2.706 TFLOPS

Radeon R9 285

VS

RTX A400

Graphics Card

Sep 2014

Release Date

Apr 2024

Volcanic Islands

Generation

Quadro Ampere(Ax000)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1417 MHz

-

Boost Clock

1762 MHz

1375 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

176.0GB/s

Bandwidth

96.00GB/s

Render Config

28

Compute Units

-

SM Count

6

1792

Shading Units

768

112

TMUs

24

32

ROPs

16

-

Tensor Cores

24

-

RT Cores

6

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

29.38 GPixel/s

Pixel Rate

28.19 GPixel/s

102.8 GTexel/s

Texture Rate

42.29 GTexel/s

3.290 TFLOPS

FP16 (half)

2.706 TFLOPS

3.290 TFLOPS

FP32 (float)

2.706 TFLOPS

205.6 GFLOPS

FP64 (double)

42.29 GFLOPS

Board Design

190W

TDP

50W

450 W

Suggested PSU

250 W

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

Outputs

4x mini-DisplayPort 1.4a

2x 6-pin

Power Connectors

None

Graphics Processor

Tonga

GPU Name

GA107

Tonga PRO (215-0851128)

GPU Variant

-

GCN 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

5 billion

Transistors

8.7 billion

366 mm²

Die Size

200 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

8.6

6.5

Shader Model

6.8

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