AMD Radeon R9 285 vs AMD Radeon Pro W6800X Duo

VS

AMD Radeon R9 285

AMD Radeon Pro W6800X Duo

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 32GB VRAM Radeon Pro W6800X Duo 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 400W)

AMD Radeon Pro W6800X Duo 's Advantages

Released 6 years and 11 months late

Boost Clock1967MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 176.0GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 285

3.29 TFLOPS

Radeon Pro W6800X Duo +359%

15.11 TFLOPS

Radeon R9 285

VS

Radeon Pro W6800X Duo

Graphics Card

Sep 2014

Release Date

Aug 2021

Volcanic Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

Apple MPX

Clock Speeds

-

Base Clock

1800 MHz

-

Boost Clock

1967 MHz

1375 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

512.0GB/s

Render Config

28

Compute Units

60

-

1792

Shading Units

3840

112

TMUs

240

32

ROPs

96

-

RT Cores

60

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

29.38 GPixel/s

Pixel Rate

188.8 GPixel/s

102.8 GTexel/s

Texture Rate

472.1 GTexel/s

3.290 TFLOPS

FP16 (half)

30.21 TFLOPS

3.290 TFLOPS

FP32 (float)

15.11 TFLOPS

205.6 GFLOPS

FP64 (double)

944.2 GFLOPS

Board Design

190W

TDP

400W

450 W

Suggested PSU

800 W

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

Outputs

1x HDMI 2.1 4x Thunderbolt

2x 6-pin

Power Connectors

None

Graphics Processor

Tonga

GPU Name

Navi 21

Tonga PRO (215-0851128)

GPU Variant

Navi 21 Pro-XLA

GCN 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

5 billion

Transistors

26.8 billion

366 mm²

Die Size

520 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.3

-

6.5

Shader Model

6.7

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