GPU Comparison

A

AMD

RADEON

AMD Radeon R6 M255DX

CORE STATE Jet

VRAM System Shared

CLOCK SPEED 855 MHz

TDP —

BUS WIDTH System Shared

ARCHITECTURE GCN 1.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

VS

A

AMD

RADEON

Radeon RX 5500 XT

CORE STATE Navi 14

VRAM 4 GB

CLOCK SPEED 1845 MHz

TDP 130 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 1.0

nm

PROCESS 7 nm

LAUNCH DATE 2019

PERFORMANCE BENCHMARKS

geekbench_vulkan

4,867

42,120

3dmark_3dmark_steel_nomad_dx12

N/A

1,032

geekbench_metal

N/A

55,926

geekbench_opencl

N/A

44,625

passmark_directx_10

N/A

46

passmark_directx_11

N/A

56

passmark_directx_12

N/A

40

passmark_directx_9

N/A

133

passmark_g2d

N/A

774

passmark_g3d

N/A

9,083

passmark_gpu_compute

N/A

4,446

DETAILED SPECIFICATIONS

SPECIFICATION

R6 M255DX

RX 5500 XT

Core Specs

Shading Units

320

1,408 +340.0%

Shaders

320

1,408 +340.0%

TMUs

20

88 +340.0%

ROPs

8

32 +300.0%

Compute Units

5

22 +340.0%

Clocks

Base Clock

780 MHz

1607 MHz

Boost Clock

855 MHz

1845 MHz

Game Clock

—

1717 MHz

Memory Clock

System Shared

1750 MHz 14 Gbps effective

Memory

Memory Size

System Shared

4 GB

VRAM (MB)

—

4,096

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

128 bit

Bandwidth

System Dependent

224.0 GB/s

Cache

L1 Cache

16 KB (per CU)

—

L2 Cache

128 KB

2 MB

Performance

Pixel Rate

6.840 GPixel/s

59.04 GPixel/s

Texture Rate

17.10 GTexel/s

162.4 GTexel/s

FP32 (TFLOPS)

547.2 GFLOPS

5.196 TFLOPS

FP64 (TFLOPS)

34.20 GFLOPS (1:16)

324.7 GFLOPS (1:16)

FP16 (TFLOPS)

—

10.39 TFLOPS (2:1)

Power

TDP

—

130 W

TDP (W)

—

130

Suggested PSU

—

300 W

Power Connectors

—

1x 8-pin

Architecture

Architecture

GCN 1.0

RDNA 1.0

GPU Name

Jet

Navi 14

Generation

Gem System Hybrid (Rx M200)

Navi (RX 5000)

Process Size

28 nm

7 nm

Transistors

690 million

6,400 million

Die Size

56 mm²

158 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

40.5M / mm²

API Support

DirectX

12 (11_1)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

2.1

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

IGP

Dual-slot

Length

—

180 mm 7.1 inches

Outputs

Portable Device Dependent

1x HDMI 2.0b3x DisplayPort 1.4a

Bus Interface

IGP

PCIe 4.0 x8

Other

Launch Price

—

169 USD

Production

End-of-life

End-of-life

Predecessor

—

Vega

Successor

—

Navi II

View Radeon R6 M255DX Details View Radeon RX 5500 XT Details