AMD · Radeon Pro

AMD Radeon PRO W6600X

The AMD Radeon PRO W6600X is a workstation graphics card released on March 8, 2022, built on the RDNA 2 architecture. It has 8 GB of GDDR6 memory on a 128-bit bus, 256.0 GB/s of memory bandwidth, a boost clock of 2.48 GHz and a 120 W board power rating. It scores 13,113 in the PassMark G3D benchmark.

RDNA 2Navi 23Workstation

9/10 key specs recorded · 22 facts

Depth: 30 recorded fields, 1 feature, 5 PassMark workloads

Specification data last verified October 1, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 9 of 10 tracked specifications recorded.

PassMark Videocard Benchmark Wikipedia GPU list tables (wikigrid-2026-09)PassMark Videocard Benchmark

Shading units

n/a

32 compute units

Memory

8 GB

GDDR6 · 128-bit

Boost clock

2.48 GHz

2.07 GHz base

Board power

120 W

Performance

The AMD Radeon PRO W6600X scores 13,113 in the PassMark G3D benchmark, higher than 91.9% of the 2,658 GPUs benchmarked (PassMark rank #223), measured across 2 submitted results. Its PassMark G2D score is 856.

PassMark G3D Mark

13,113

Rank #223
Faster than 91.9% of 2,658 GPUs
2 samples

0relative to the fastest GPU on record (41,928)

PassMark workload tests

DirectX 9 87 fps

reference: fastest recorded 526 fps · faster than 72.9% of 1,675 GPUs

DirectX 10 106 fps

reference: fastest recorded 231 fps · faster than 91.5% of 1,602 GPUs

DirectX 11 151 fps

reference: fastest recorded 362 fps · faster than 90.7% of 1,430 GPUs

DirectX 12 65 fps

reference: fastest recorded 213 fps · faster than 86.8% of 1,274 GPUs

GPU Compute 7,504 ops/s

reference: fastest recorded 26,591 ops/s · faster than 90.5% of 1,447 GPUs

Averages of PassMark PerformanceTest submissions; frames/sec are PassMark test-scene rates, not game FPS. Tests PassMark does not report for this card are omitted. PassMark listing

In the PassMark workload tests the AMD Radeon PRO W6600X averages DirectX 9 87 fps, DirectX 10 106 fps, DirectX 11 151 fps, DirectX 12 65 fps and GPU Compute 7,504 ops/s, across 2 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.

Theoretical throughput

Pixel fill rate 158.656 GPixel/s calculatedcalculated from ROPs x boost clock (MHz) / 1000 = 64 x 2479 / 1000

Texture fill rate 307.396 GTexel/s calculatedcalculated from TMUs x boost clock (MHz) / 1000 = 124 x 2479 / 1000

Pixel fill rate (158.656 GPixel/s) and Texture fill rate (307.396 GTexel/s) are calculated by Feex from stored specifications, not stated by AMD.

As stated by PassMark

First benchmarked 2022-10-21

Samples 2

PassMark listing (collected 2026-10-01)

Graphics processor

Architecture RDNA 2

Codename Navi 23

Chip Not recorded

Process node Not recorded

Transistors 11,060 M

Die size 237 mm²

The AMD Radeon PRO W6600X is based on the RDNA 2 architecture, uses the Navi 23 graphics processor, contains 11,060 million transistors and has a die size of 237 mm².

Shader configuration

Shading units Not recorded

Compute units 32

Streaming multiprocessors Not recorded

Execution units Not recorded

Texture units (TMUs) 124

Render output units (ROPs) 64

Ray tracing cores 32

Tensor / AI cores Not recorded

XMX engines Not recorded

Infinity cache Not recorded

The AMD Radeon PRO W6600X 32 compute units, 124 texture mapping units, 64 render output units and 32 ray tracing cores.

The AMD Radeon PRO W6600X does not use XMX engines; those are specific to Intel Arc graphics.

Clock speeds

Base clock 2.07 GHz

Boost clock 2.48 GHz

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The AMD Radeon PRO W6600X runs at a base clock of 2.07 GHz and boosts to 2.48 GHz.

Memory

Size 8 GB

Type GDDR6

Bus width 128-bit

Bandwidth 256.0 GB/s

The AMD Radeon PRO W6600X is equipped with 8 GB of GDDR6 memory, uses a 128-bit memory bus and delivers 256.0 GB/s of memory bandwidth.

Board and power

The AMD Radeon PRO W6600X has a board power rating of 120 W.

Board power (TDP) 120 W

Total board power Not recorded

Suggested PSU Not recorded

Power connectors Not recorded

Slot width Not recorded

Length Not recorded

Width Not recorded

Height Not recorded

Cooler Not recorded

Max temperature Not recorded

Bus interface Not recorded

Market

Launched March 8, 2022

Launch price Not recorded

Status Not recorded

Form factor Not recorded

Segment Workstation

Series Radeon Pro

The AMD Radeon PRO W6600X was released on March 8, 2022.

Benchmarks

PassMark G3D 13,113

PassMark G2D 856

Rank #223

Samples 2

Features

The AMD Radeon PRO W6600X has 1 supported feature recorded outside the media engine. A feature that no source mentions is shown as not listed, never as unsupported.

Rendering

Supported: Hardware ray tracing

Dedicated GPU hardware that speeds up ray-traced lighting, reflections and shadows in supported games and apps.

Ray tracing units: 32

Not listed (2)

No source Feex holds states whether the AMD Radeon PRO W6600X supports DirectX 12 Ultimate and AMD FidelityFX Super Resolution. That is silence, not a statement that they are unsupported.

The AMD Radeon PRO W6600X supports Hardware ray tracing under Rendering.

Frequently asked questions

How much VRAM does the AMD Radeon PRO W6600X have?

The AMD Radeon PRO W6600X has 8 GB of GDDR6 memory on a 128-bit bus. Its memory bandwidth is 256.0 GB/s.

How much power does the AMD Radeon PRO W6600X use and what power supply does it need?

The AMD Radeon PRO W6600X has a board power rating of 120 W.

How fast is the AMD Radeon PRO W6600X?

The AMD Radeon PRO W6600X scores 13,113 in the PassMark G3D benchmark, higher than 91.9% of the 2,658 GPUs benchmarked. Its PassMark rank is #223. In the PassMark DirectX 12 test it averages 65 fps.