AMD Radeon Pro W6800X vs AMD Radeon R9 270

VS

AMD Radeon Pro W6800X

AMD Radeon R9 270

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X and 2GB VRAM Radeon R9 270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X 's Advantages

Released 7 years and 9 months late

Boost Clock has increased by 126% (2087MHz vs 925MHz)

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 179.2GB/s)

2560 additional rendering cores

AMD Radeon R9 270 's Advantages

Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X +576%

16.03 TFLOPS

Radeon R9 270

2.368 TFLOPS

Radeon Pro W6800X

VS

Radeon R9 270

Graphics Card

Aug 2021

Release Date

Nov 2013

Radeon Pro Mac

Generation

Volcanic Islands

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 3.0 x16

Clock Speeds

1800 MHz

Base Clock

900 MHz

2087 MHz

Boost Clock

925 MHz

2000 MHz

Memory Clock

1400 MHz

Memory

32GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

179.2GB/s

Render Config

60

Compute Units

20

-

3840

Shading Units

1280

240

TMUs

80

96

ROPs

32

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

128 MB

L3 Cache

-

Theoretical Performance

200.4 GPixel/s

Pixel Rate

29.60 GPixel/s

500.9 GTexel/s

Texture Rate

74.00 GTexel/s

32.06 TFLOPS

FP16 (half)

-

16.03 TFLOPS

FP32 (float)

2.368 TFLOPS

1002 GFLOPS

FP64 (double)

148.0 GFLOPS

Board Design

200W

TDP

150W

550 W

Suggested PSU

450 W

1x HDMI 2.1 4x Thunderbolt

Outputs

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

Apple MPX

Power Connectors

1x 6-pin

Graphics Processor

Navi 21

GPU Name

Curacao

Navi 21 Pro-XLA

GPU Variant

Curacao PRO (215-0848000)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

2.8 billion

520 mm²

Die Size

212 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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