AMD Radeon R9 285X vs NVIDIA GeForce RTX 3080 Ti

VS

AMD Radeon R9 285X

NVIDIA GeForce RTX 3080 Ti

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 12GB VRAM GeForce RTX 3080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285X 's Advantages

Lower TDP (200W vs 350W)

NVIDIA GeForce RTX 3080 Ti 's Advantages

Boost Clock1665MHz

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (912.4GB/s vs 264.0GB/s)

8192 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 285X

4.104 TFLOPS

GeForce RTX 3080 Ti +730%

34.1 TFLOPS

Radeon R9 285X

VS

GeForce RTX 3080 Ti

Graphics Card

Unknown

Release Date

May 2021

Volcanic Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1365 MHz

-

Boost Clock

1665 MHz

1375 MHz

Memory Clock

1188 MHz

Memory

3GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6X

384bit

Memory Bus

384bit

264.0GB/s

Bandwidth

912.4GB/s

Render Config

32

Compute Units

-

SM Count

80

2048

Shading Units

10240

128

TMUs

320

32

ROPs

112

-

Tensor Cores

320

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

6 MB

-

Theoretical Performance

32.06 GPixel/s

Pixel Rate

186.5 GPixel/s

128.3 GTexel/s

Texture Rate

532.8 GTexel/s

-

FP16 (half)

34.10 TFLOPS

4.104 TFLOPS

FP32 (float)

34.10 TFLOPS

-

FP64 (double)

532.8 GFLOPS

Board Design

200W

TDP

350W

550 W

Suggested PSU

750 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 12-pin

Graphics Processor

Tonga

GPU Name

GA102

Tonga XT (215-0851313)

GPU Variant

GA102-225-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

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

6.3

Shader Model

6.6

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