AMD Radeon Pro W6800X Duo vs AMD Radeon R9 280X

VS

AMD Radeon Pro W6800X Duo

AMD Radeon R9 280X

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 3GB VRAM Radeon R9 280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X Duo 's Advantages

Released 7 years and 10 months late

Boost Clock has increased by 97% (1967MHz vs 1000MHz)

More VRAM (32GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 288.0GB/s)

1792 additional rendering cores

AMD Radeon R9 280X 's Advantages

Lower TDP (250W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo +268%

15.11 TFLOPS

Radeon R9 280X

4.096 TFLOPS

Radeon Pro W6800X Duo

VS

Radeon R9 280X

Graphics Card

Aug 2021

Release Date

Oct 2013

Radeon Pro Mac

Generation

Volcanic Islands

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 3.0 x16

Clock Speeds

1800 MHz

Base Clock

850 MHz

1967 MHz

Boost Clock

1000 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

32GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

288.0GB/s

Render Config

60

Compute Units

32

-

3840

Shading Units

2048

240

TMUs

128

96

ROPs

32

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

128 MB

L3 Cache

-

Theoretical Performance

188.8 GPixel/s

Pixel Rate

32.00 GPixel/s

472.1 GTexel/s

Texture Rate

128.0 GTexel/s

30.21 TFLOPS

FP16 (half)

-

15.11 TFLOPS

FP32 (float)

4.096 TFLOPS

944.2 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

400W

TDP

250W

800 W

Suggested PSU

600 W

1x HDMI 2.1 4x Thunderbolt

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 21

GPU Name

Tahiti

Navi 21 Pro-XLA

GPU Variant

Tahiti XTL (215-0821065)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

4.313 billion

520 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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