GPU Comparison

A

AMD

RADEON

AMD Radeon Pro 555

CORE STATE Polaris 21

VRAM 2 GB

CLOCK SPEED —

TDP 75 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2017

VS

A

AMD

RADEON

Radeon RX 6800

CORE STATE Navi 21

VRAM 16 GB

CLOCK SPEED 2105 MHz

TDP 250 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

geekbench_metal

16,307

175,541

geekbench_opencl

11,575

24,559

geekbench_vulkan

12,303

130,531

3dmark_3dmark_steel_nomad_dx12

N/A

3,188

passmark_directx_10

N/A

128

passmark_directx_11

N/A

214

passmark_directx_12

N/A

89

passmark_directx_9

N/A

257

passmark_g2d

N/A

990

passmark_g3d

N/A

22,067

passmark_gpu_compute

N/A

10,864

DETAILED SPECIFICATIONS

SPECIFICATION

Pro 555

RX 6800

Core Specs

Shading Units

768

3,840 +400.0%

Shaders

768

3,840 +400.0%

TMUs

48

240 +400.0%

ROPs

16

96 +500.0%

Compute Units

12

60 +400.0%

Clocks

Base Clock

—

1700 MHz

Boost Clock

—

2105 MHz

GPU Clock

850 MHz

—

Game Clock

—

1815 MHz

Memory Clock

1275 MHz 5.1 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

2 GB

16 GB

VRAM (MB)

2,048

16,384 +700.0%

Memory Type

GDDR5

GDDR6

Memory Bus

128 bit

256 bit

Bandwidth

81.60 GB/s

512.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

1024 KB

4 MB

L3 Cache

—

128 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

13.60 GPixel/s

202.1 GPixel/s

Texture Rate

40.80 GTexel/s

505.2 GTexel/s

FP32 (TFLOPS)

1,305.6 GFLOPS

16.17 TFLOPS

FP64 (TFLOPS)

81.60 GFLOPS (1:16)

1,010.4 GFLOPS (1:16)

FP16 (TFLOPS)

1,305.6 GFLOPS (1:1)

32.33 TFLOPS (2:1)

AI/RT

RT Cores

—

60

Power

TDP

75 W

250 W

TDP (W)

75

250 +233.3%

Suggested PSU

—

600 W

Power Connectors

None

2x 8-pin

Architecture

Architecture

GCN 4.0

RDNA 2.0

GPU Name

Polaris 21

Navi 21

Generation

Radeon Pro Mac (500 Series)

Navi II (RX 6000)

Process Size

14 nm

7 nm

Transistors

3,000 million

26,800 million

Die Size

123 mm²

520 mm²

Foundry

GlobalFoundries

TSMC

Density

24.4M / mm²

51.5M / 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

Dual-slot

Length

—

267 mm 10.5 inches

Height

—

120 mm 4.7 inches

Outputs

Portable Device Dependent

1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x16

Other

Launch Price

—

579 USD

Production

End-of-life

End-of-life

Predecessor

—

Navi

Successor

—

Navi III

View Radeon Pro 555 Details View Radeon RX 6800 Details