AMD Radeon Pro W6800X Duo vs AMD Radeon Sky 500

VS

AMD Radeon Pro W6800X Duo AMD Radeon Sky 500

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 4GB VRAM Radeon Sky 500 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 8 years and 5 months late

Boost Clock1967MHz

More VRAM (32GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 153.6GB/s)

2560 additional rendering cores

AMD Radeon Sky 500 's Advantages

Lower TDP (150W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo +521%

15.11 TFLOPS

Radeon Sky 500

2.432 TFLOPS

Radeon Pro W6800X Duo

VS

Radeon Sky 500

Graphics Card

Aug 2021

Release Date

Mar 2013

Radeon Pro Mac

Generation

Radeon Sky

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 3.0 x16

Clock Speeds

1800 MHz

Base Clock

-

1967 MHz

Boost Clock

-

2000 MHz

Memory Clock

1200 MHz

Memory

32GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

60

Compute Units

20

3840

Shading Units

1280

240

TMUs

80

96

ROPs

32

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

188.8 GPixel/s

Pixel Rate

30.40 GPixel/s

472.1 GTexel/s

Texture Rate

76.00 GTexel/s

30.21 TFLOPS

FP16 (half)

-

15.11 TFLOPS

FP32 (float)

2.432 TFLOPS

944.2 GFLOPS

FP64 (double)

152.0 GFLOPS

Graphics Processor

Navi 21

GPU Name

Pitcairn

Navi 21 Pro-XLA

GPU Variant

Pitcairn XT GL (215-0828073)

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

Board Design

400W

TDP

150W

800 W

Suggested PSU

450 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

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

-

CUDA

-

6.7

Shader Model

5.1

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