GPU Comparison

A

AMD

RADEON

AMD Radeon Pro W6900X

CORE STATE Navi 21

VRAM 32 GB

CLOCK SPEED 2171 MHz

TDP 300 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

VS

A

AMD

RADEON

Radeon RX 6600S

CORE STATE Navi 23

VRAM 4 GB

CLOCK SPEED 2000 MHz

TDP 80 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

geekbench_metal

205,557

N/A

geekbench_opencl

131,392

66,403

geekbench_vulkan

143,199

N/A

passmark_directx_10

N/A

81

passmark_directx_11

N/A

105

passmark_directx_12

N/A

56

passmark_directx_9

N/A

176

passmark_g2d

N/A

647

passmark_g3d

N/A

12,649

passmark_gpu_compute

N/A

4,879

DETAILED SPECIFICATIONS

SPECIFICATION

Pro W6900X

RX 6600S

Core Specs

Shading Units

5,120

1,792 -65.0%

Shaders

5,120

1,792 -65.0%

TMUs

320

112 -65.0%

ROPs

128

64 -50.0%

Compute Units

80

28 -65.0%

Clocks

Base Clock

1825 MHz

1700 MHz

Boost Clock

2171 MHz

2000 MHz

Game Clock

—

1881 MHz

Memory Clock

2000 MHz 16 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

32 GB

4 GB

VRAM (MB)

32,768

4,096 -87.5%

Memory Type

GDDR6

GDDR6

Memory Bus

256 bit

128 bit

Bandwidth

512.0 GB/s

224.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB per Array

L2 Cache

4 MB

2 MB

L3 Cache

128 MB

32 MB

L0 Cache

32 KB per WGP

32 KB per WGP

Performance

Pixel Rate

277.9 GPixel/s

128.0 GPixel/s

Texture Rate

694.7 GTexel/s

224.0 GTexel/s

FP32 (TFLOPS)

22.23 TFLOPS

7.168 TFLOPS

FP64 (TFLOPS)

1,389.4 GFLOPS (1:16)

448.0 GFLOPS (1:16)

FP16 (TFLOPS)

44.46 TFLOPS (2:1)

14.34 TFLOPS (2:1)

AI/RT

RT Cores

80

28 -65.0%

Power

TDP

300 W

80 W

TDP (W)

300

80 -73.3%

Suggested PSU

700 W

—

Power Connectors

—

None

Architecture

Architecture

RDNA 2.0

RDNA 2.0

GPU Name

Navi 21

Navi 23

Generation

Radeon Pro Mac (Navi II Series)

Navi Mobile (RX 6000M)

Process Size

7 nm

7 nm

Transistors

26,800 million

11,060 million

Die Size

520 mm²

237 mm²

Foundry

TSMC

TSMC

Density

51.5M / mm²

46.7M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

2.1

Shader Model

6.8

6.8

Physical

Slot Width

—

IGP

Length

267 mm 10.5 inches

—

Height

120 mm 4.7 inches

—

Outputs

1x HDMI 2.14x Thunderbolt

Portable Device Dependent

Bus Interface

Apple MPX

PCIe 4.0 x8

Other

Launch Price

5,999 USD

—

Production

End-of-life

End-of-life

Predecessor

—

Polaris Mobile

View Radeon Pro W6900X Details View Radeon RX 6600S Details