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 6800S

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2100 MHz

TDP 100 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

geekbench_vulkan

4,867

80,181

3dmark_3dmark_steel_nomad_dx12

N/A

1,689

geekbench_metal

N/A

85,256

geekbench_opencl

N/A

73,202

passmark_directx_10

N/A

91

passmark_directx_11

N/A

139

passmark_directx_12

N/A

65

passmark_directx_9

N/A

200

passmark_g2d

N/A

732

passmark_g3d

N/A

15,908

passmark_gpu_compute

N/A

6,144

DETAILED SPECIFICATIONS

SPECIFICATION

R6 M255DX

RX 6800S

Core Specs

Shading Units

320

2,048 +540.0%

Shaders

320

2,048 +540.0%

TMUs

20

128 +540.0%

ROPs

8

64 +700.0%

Compute Units

5

32 +540.0%

Clocks

Base Clock

780 MHz

1800 MHz

Boost Clock

855 MHz

2100 MHz

Game Clock

—

1975 MHz

Memory Clock

System Shared

2000 MHz 16 Gbps effective

Memory

Memory Size

System Shared

8 GB

VRAM (MB)

—

8,192

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

128 bit

Bandwidth

System Dependent

256.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

128 KB

2 MB

L3 Cache

—

32 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

6.840 GPixel/s

134.4 GPixel/s

Texture Rate

17.10 GTexel/s

268.8 GTexel/s

FP32 (TFLOPS)

547.2 GFLOPS

8.602 TFLOPS

FP64 (TFLOPS)

34.20 GFLOPS (1:16)

537.6 GFLOPS (1:16)

FP16 (TFLOPS)

—

17.20 TFLOPS (2:1)

AI/RT

RT Cores

—

32

Power

TDP

—

100 W

TDP (W)

—

100

Power Connectors

—

None

Architecture

Architecture

GCN 1.0

RDNA 2.0

GPU Name

Jet

Navi 23

Generation

Gem System Hybrid (Rx M200)

Navi Mobile (RX 6000M)

Process Size

28 nm

7 nm

Transistors

690 million

11,060 million

Die Size

56 mm²

237 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

46.7M / 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)

2.1

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

IGP

IGP

Outputs

Portable Device Dependent

Portable Device Dependent

Bus Interface

IGP

PCIe 4.0 x8

Other

Production

End-of-life

End-of-life

Predecessor

—

Polaris Mobile

View Radeon R6 M255DX Details View Radeon RX 6800S Details