GPU Comparison

A

AMD

RADEON

AMD Radeon R9 M395X

CORE STATE Amethyst

VRAM 8 GB

CLOCK SPEED —

TDP 75 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 3.0

nm

PROCESS 28 nm

LAUNCH DATE 2015

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_metal

33,953

85,256

geekbench_opencl

21,813

73,202

3dmark_3dmark_steel_nomad_dx12

N/A

1,689

geekbench_vulkan

N/A

80,181

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

R9 M395X

RX 6800S

Core Specs

Shading Units

2,048

2,048 0.0%

Shaders

2,048

2,048 0.0%

TMUs

128

128 0.0%

ROPs

32

64 +100.0%

Compute Units

32

32 0.0%

Clocks

Base Clock

—

1800 MHz

Boost Clock

—

2100 MHz

GPU Clock

723 MHz

—

Game Clock

—

1975 MHz

Memory Clock

1250 MHz 5 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

8 GB

8 GB

VRAM (MB)

8,192

8,192 0.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

128 bit

Bandwidth

160.0 GB/s

256.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

512 KB

2 MB

L3 Cache

—

32 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

23.14 GPixel/s

134.4 GPixel/s

Texture Rate

92.54 GTexel/s

268.8 GTexel/s

FP32 (TFLOPS)

2.961 TFLOPS

8.602 TFLOPS

FP64 (TFLOPS)

185.1 GFLOPS (1:16)

537.6 GFLOPS (1:16)

FP16 (TFLOPS)

2.961 TFLOPS (1:1)

17.20 TFLOPS (2:1)

AI/RT

RT Cores

—

32

Power

TDP

75 W

100 W

TDP (W)

75

100 +33.3%

Power Connectors

None

None

Architecture

Architecture

GCN 3.0

RDNA 2.0

GPU Name

Amethyst

Navi 23

Generation

Gem System (R9 M300)

Navi Mobile (RX 6000M)

Process Size

28 nm

7 nm

Transistors

5,000 million

11,060 million

Die Size

366 mm²

237 mm²

Foundry

TSMC

TSMC

Density

13.7M / mm²

46.7M / mm²

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1

2.1

Shader Model

6.5

6.8

Physical

Slot Width

MXM Module

IGP

Outputs

Portable Device Dependent

Portable Device Dependent

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x8

Other

Production

End-of-life

End-of-life

Predecessor

Solar System

Polaris Mobile

Successor

Polaris Mobile

—

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