AMD Radeon 550X 640SP vs AMD Radeon RX 455 OEM

VS

AMD Radeon 550X 640SP

AMD Radeon RX 455 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 2GB VRAM Radeon RX 455 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 1 years and 10 months late

Boost Clock1071MHz

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 100W)

AMD Radeon RX 455 OEM 's Advantages

Larger VRAM bandwidth (104.0GB/s vs 48.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

Radeon RX 455 OEM +17%

1.613 TFLOPS

Radeon 550X 640SP

VS

Radeon RX 455 OEM

Graphics Card

Apr 2018

Release Date

Jun 2016

Polaris

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

1625 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

104.0GB/s

Render Config

10

Compute Units

12

-

640

Shading Units

768

40

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

16.80 GPixel/s

42.84 GTexel/s

Texture Rate

50.40 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

1.613 TFLOPS

85.68 GFLOPS

FP64 (double)

100.8 GFLOPS

Board Design

50W

TDP

100W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Lexa

GPU Name

Tobago

Lexa PRO (215-0904018)

GPU Variant

Tobago PRO (215-0875010)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.08 billion

103 mm²

Die Size

160 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

Related GPU Comparisons

1

AMD Radeon 550X 640SP vs ATI Radeon HD 4350 AGP

2

AMD Radeon 550X 640SP vs ATI FirePro V7900

3

AMD Radeon 550X 640SP vs MTT S70

4

AMD Radeon 550X 640SP vs NVIDIA Quadro FX 4000 SDI

5

AMD Radeon 550X 640SP vs NVIDIA GeForce RTX 3060 12 GB GA104

6

AMD Radeon 550X 640SP vs ATI Radeon HD 4890

7

AMD Radeon 550X 640SP vs NVIDIA Quadro FX 540

8

AMD Radeon 550X 640SP vs AMD Radeon Pro W5700X

9

AMD Radeon 550X 640SP vs AMD FirePro V5900

10

AMD Radeon 550X 640SP vs AMD Radeon R9 290X

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!