AMD Radeon RX 455 OEM vs AMD Ryzen Z1 Extreme GPU

VS

AMD Radeon RX 455 OEM

AMD Ryzen Z1 Extreme GPU

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 16GB VRAM Ryzen Z1 Extreme GPU to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 455 OEM 's Advantages

Larger VRAM bandwidth (104.0GB/s vs 25.60GB/s)

AMD Ryzen Z1 Extreme GPU 's Advantages

Released 7 years late

Boost Clock2700MHz

More VRAM (16GB vs 2GB)

Lower TDP (30W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM

1.613 TFLOPS

Ryzen Z1 Extreme GPU +414%

8.294 TFLOPS

Radeon RX 455 OEM

VS

Ryzen Z1 Extreme GPU

Graphics Card

Jun 2016

Release Date

Jun 2023

Arctic Islands

Generation

Console GPU(ASUS)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

-

Clock Speeds

-

Base Clock

800 MHz

-

Boost Clock

2700 MHz

1625 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

LPDDR5

128bit

Memory Bus

64bit

104.0GB/s

Bandwidth

25.60GB/s

Render Config

12

Compute Units

12

-

768

Shading Units

768

48

TMUs

48

16

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

8 MB

-

L3 Cache

16 MB

Theoretical Performance

16.80 GPixel/s

Pixel Rate

86.40 GPixel/s

50.40 GTexel/s

Texture Rate

129.6 GTexel/s

-

FP16 (half)

16.59 TFLOPS

1.613 TFLOPS

FP32 (float)

8.294 TFLOPS

100.8 GFLOPS

FP64 (double)

518.4 GFLOPS

Board Design

100W

TDP

30W

300 W

Suggested PSU

-

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x USB Type-C

1x 6-pin

Power Connectors

None

Graphics Processor

Tobago

GPU Name

Phoenix

Tobago PRO (215-0875010)

GPU Variant

-

GCN 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

2.08 billion

Transistors

25.39 billion

160 mm²

Die Size

178 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

6.3

Shader Model

6.8

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