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 6500 XT

CORE STATE Navi 24

VRAM 4 GB

CLOCK SPEED 2815 MHz

TDP 107 W

BUS WIDTH 64 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 6 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

geekbench_vulkan

4,867

54,648

3dmark_3dmark_steel_nomad_dx12

N/A

235

geekbench_opencl

N/A

48,915

passmark_directx_10

N/A

60

passmark_directx_11

N/A

90

passmark_directx_12

N/A

38

passmark_directx_9

N/A

108

passmark_g2d

N/A

815

passmark_g3d

N/A

9,608

passmark_gpu_compute

N/A

4,456

DETAILED SPECIFICATIONS

SPECIFICATION

R6 M255DX

RX 6500 XT

Core Specs

Shading Units

320

1,024 +220.0%

Shaders

320

1,024 +220.0%

TMUs

20

64 +220.0%

ROPs

8

32 +300.0%

Compute Units

5

16 +220.0%

Clocks

Base Clock

780 MHz

2310 MHz

Boost Clock

855 MHz

2815 MHz

Game Clock

—

2610 MHz

Memory Clock

System Shared

2248 MHz 18 Gbps effective

Memory

Memory Size

System Shared

4 GB

VRAM (MB)

—

4,096

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

64 bit

Bandwidth

System Dependent

143.9 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

128 KB

1024 KB

L3 Cache

—

16 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

6.840 GPixel/s

90.08 GPixel/s

Texture Rate

17.10 GTexel/s

180.2 GTexel/s

FP32 (TFLOPS)

547.2 GFLOPS

5.765 TFLOPS

FP64 (TFLOPS)

34.20 GFLOPS (1:16)

360.3 GFLOPS (1:16)

FP16 (TFLOPS)

—

11.53 TFLOPS (2:1)

AI/RT

RT Cores

—

16

Power

TDP

—

107 W

TDP (W)

—

107

Suggested PSU

—

300 W

Power Connectors

—

1x 6-pin

Architecture

Architecture

GCN 1.0

RDNA 2.0

GPU Name

Jet

Navi 24

Generation

Gem System Hybrid (Rx M200)

Navi II (RX 6000)

Process Size

28 nm

6 nm

Transistors

690 million

5,400 million

Die Size

56 mm²

107 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

50.5M / mm²

API Support

DirectX

12 (11_1)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

2.2

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

IGP

Dual-slot

Outputs

Portable Device Dependent

1x HDMI 2.11x DisplayPort 1.4a

Bus Interface

IGP

PCIe 4.0 x4

Other

Launch Price

—

199 USD

Production

End-of-life

End-of-life

Predecessor

—

Navi

Successor

—

Navi III

View Radeon R6 M255DX Details View Radeon RX 6500 XT Details