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 6800M

CORE STATE Navi 22

VRAM 12 GB

CLOCK SPEED 2390 MHz

TDP 145 W

BUS WIDTH 192 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_metal

17,638

113,421

geekbench_opencl

12,661

87,621

geekbench_vulkan

13,201

96,572

3dmark_3dmark_steel_nomad_dx12

N/A

2,238

passmark_directx_10

N/A

101

passmark_directx_11

N/A

127

passmark_directx_12

N/A

65

passmark_directx_9

N/A

147

passmark_g2d

N/A

538

passmark_g3d

N/A

13,261

passmark_gpu_compute

N/A

5,032

DETAILED SPECIFICATIONS

SPECIFICATION

Pro 555X

RX 6800M

Core Specs

Shading Units

768

2,560 +233.3%

Shaders

768

2,560 +233.3%

TMUs

48

160 +233.3%

ROPs

16

64 +300.0%

Compute Units

12

40 +233.3%

Clocks

Base Clock

—

2116 MHz

Boost Clock

—

2390 MHz

GPU Clock

907 MHz

—

Game Clock

—

2300 MHz

Memory Clock

1470 MHz 5.9 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

4 GB

12 GB

VRAM (MB)

4,096

12,288 +200.0%

Memory Type

GDDR5

GDDR6

Memory Bus

128 bit

192 bit

Bandwidth

94.08 GB/s

384.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

1024 KB

3 MB

L3 Cache

—

96 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

14.51 GPixel/s

153.0 GPixel/s

Texture Rate

43.54 GTexel/s

382.4 GTexel/s

FP32 (TFLOPS)

1,393.2 GFLOPS

12.24 TFLOPS

FP64 (TFLOPS)

87.07 GFLOPS (1:16)

764.8 GFLOPS (1:16)

FP16 (TFLOPS)

1,393.2 GFLOPS (1:1)

24.47 TFLOPS (2:1)

AI/RT

RT Cores

—

40

Power

TDP

75 W

145 W

TDP (W)

75

145 +93.3%

Power Connectors

None

None

Architecture

Architecture

GCN 4.0

RDNA 2.0

GPU Name

Polaris 21

Navi 22

Generation

Radeon Pro Mac (500X Series)

Navi Mobile (RX 6000M)

Process Size

14 nm

7 nm

Transistors

3,000 million

17,200 million

Die Size

123 mm²

335 mm²

Foundry

GlobalFoundries

TSMC

Density

24.4M / mm²

51.3M / 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 x16

Other

Production

End-of-life

End-of-life

Predecessor

—

Polaris Mobile

View Radeon Pro 555X Details View Radeon RX 6800M Details