GPU Comparison

A

AMD

RADEON

AMD Radeon Pro 555X

CORE STATE Polaris 21

VRAM 4 GB

CLOCK SPEED —

TDP 75 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2018

VS

A

AMD

RADEON

Radeon RX 6600M

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2416 MHz

TDP 100 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_metal

17,638

94,242

geekbench_opencl

12,661

66,290

geekbench_vulkan

13,201

73,740

3dmark_3dmark_steel_nomad_dx12

N/A

1,495

passmark_directx_10

N/A

87

passmark_directx_11

N/A

136

passmark_directx_12

N/A

52

passmark_directx_9

N/A

184

passmark_g2d

N/A

728

passmark_g3d

N/A

13,929

passmark_gpu_compute

N/A

5,646

DETAILED SPECIFICATIONS

SPECIFICATION

Pro 555X

RX 6600M

Core Specs

Shading Units

768

1,792 +133.3%

Shaders

768

1,792 +133.3%

TMUs

48

112 +133.3%

ROPs

16

64 +300.0%

Compute Units

12

28 +133.3%

Clocks

Base Clock

—

2068 MHz

Boost Clock

—

2416 MHz

GPU Clock

907 MHz

—

Game Clock

—

2177 MHz

Memory Clock

1470 MHz 5.9 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

4 GB

8 GB

VRAM (MB)

4,096

8,192 +100.0%

Memory Type

GDDR5

GDDR6

Memory Bus

128 bit

128 bit

Bandwidth

94.08 GB/s

224.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

1024 KB

2 MB

L3 Cache

—

32 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

14.51 GPixel/s

154.6 GPixel/s

Texture Rate

43.54 GTexel/s

270.6 GTexel/s

FP32 (TFLOPS)

1,393.2 GFLOPS

8.659 TFLOPS

FP64 (TFLOPS)

87.07 GFLOPS (1:16)

541.2 GFLOPS (1:16)

FP16 (TFLOPS)

1,393.2 GFLOPS (1:1)

17.32 TFLOPS (2:1)

AI/RT

RT Cores

—

28

Power

TDP

75 W

100 W

TDP (W)

75

100 +33.3%

Power Connectors

None

None

Architecture

Architecture

GCN 4.0

RDNA 2.0

GPU Name

Polaris 21

Navi 23

Generation

Radeon Pro Mac (500X Series)

Navi Mobile (RX 6000M)

Process Size

14 nm

7 nm

Transistors

3,000 million

11,060 million

Die Size

123 mm²

237 mm²

Foundry

GlobalFoundries

TSMC

Density

24.4M / mm²

46.7M / mm²

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.3

1.4

OpenCL

2.1

2.1

Shader Model

6.7

6.8

Physical

Slot Width

IGP

IGP

Outputs

Portable Device Dependent

Portable Device Dependent

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x8

Other

Production

End-of-life

End-of-life

Predecessor

—

Polaris Mobile

View Radeon Pro 555X Details View Radeon RX 6600M Details