AMD Radeon R9 285X vs NVIDIA GeForce RTX 2080

VS

AMD Radeon R9 285X

NVIDIA GeForce RTX 2080

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 8GB VRAM GeForce RTX 2080 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 215W)

NVIDIA GeForce RTX 2080 's Advantages

Boost Clock1710MHz

More VRAM (8GB vs 3GB)

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

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 285X

4.104 TFLOPS

GeForce RTX 2080 +145%

10.07 TFLOPS

Radeon R9 285X

VS

GeForce RTX 2080

Graphics Card

Unknown

Release Date

Sep 2018

Volcanic Islands

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1515 MHz

-

Boost Clock

1710 MHz

1375 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

448.0GB/s

Render Config

32

Compute Units

-

SM Count

46

2048

Shading Units

2944

128

TMUs

184

32

ROPs

64

-

Tensor Cores

368

-

RT Cores

46

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

4 MB

-

Theoretical Performance

32.06 GPixel/s

Pixel Rate

109.4 GPixel/s

128.3 GTexel/s

Texture Rate

314.6 GTexel/s

-

FP16 (half)

20.14 TFLOPS

4.104 TFLOPS

FP32 (float)

10.07 TFLOPS

-

FP64 (double)

314.6 GFLOPS

Board Design

200W

TDP

215W

550 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a 1x USB Type-C

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tonga

GPU Name

TU104

Tonga XT (215-0851313)

GPU Variant

TU104-400A-A1

GCN 3.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

5 billion

Transistors

13.6 billion

366 mm²

Die Size

545 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

7.5

6.3

Shader Model

6.6

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