AMD Radeon R9 285 vs NVIDIA GeForce RTX 3090

VS

AMD Radeon R9 285 NVIDIA GeForce RTX 3090

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 24GB VRAM GeForce RTX 3090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285 's Advantages

Lower TDP (190W vs 350W)

NVIDIA GeForce RTX 3090 's Advantages

Released 6 years late

Boost Clock1695MHz

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (936.2GB/s vs 176.0GB/s)

8704 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 285

3.29 TFLOPS

GeForce RTX 3090 +981%

35.58 TFLOPS

Radeon R9 285

VS

GeForce RTX 3090

Graphics Card

Sep 2014

Release Date

Sep 2020

Volcanic Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1395 MHz

-

Boost Clock

1695 MHz

1375 MHz

Memory Clock

1219 MHz

Memory

2GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

384bit

176.0GB/s

Bandwidth

936.2GB/s

Render Config

-

SM Count

82

28

Compute Units

-

1792

Shading Units

10496

112

TMUs

328

32

ROPs

112

-

Tensor Cores

328

-

RT Cores

82

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

6 MB

Theoretical Performance

29.38 GPixel/s

Pixel Rate

189.8 GPixel/s

102.8 GTexel/s

Texture Rate

556.0 GTexel/s

3.290 TFLOPS

FP16 (half)

35.58 TFLOPS

3.290 TFLOPS

FP32 (float)

35.58 TFLOPS

205.6 GFLOPS

FP64 (double)

556.0 GFLOPS

Graphics Processor

Tonga

GPU Name

GA102

Tonga PRO (215-0851128)

GPU Variant

GA102-300-A1

GCN 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

5 billion

Transistors

28.3 billion

366 mm²

Die Size

628 mm²

Board Design

190W

TDP

350W

450 W

Suggested PSU

750 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 12-pin

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

6.6

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