AMD Radeon RX 550 640SP vs AMD Radeon RX 8800 XT

VS

AMD Radeon RX 550 640SP

AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 640SP 's Advantages

Lower TDP (60W vs 220W)

AMD Radeon RX 8800 XT 's Advantages

Boost Clock has increased by 127% (2430MHz vs 1071MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (624.1GB/s vs 96.00GB/s)

3456 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 640SP

1.371 TFLOPS

Radeon RX 8800 XT +1352%

19.91 TFLOPS

Radeon RX 550 640SP

VS

Radeon RX 8800 XT

Graphics Card

Oct 2017

Release Date

Unknown

Polaris

Generation

Navi IV(RX 8000)

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1019 MHz

Base Clock

1295 MHz

1071 MHz

Boost Clock

2430 MHz

1500 MHz

Memory Clock

2438 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

624.1GB/s

Render Config

10

Compute Units

64

-

640

Shading Units

4096

40

TMUs

256

16

ROPs

96

-

RT Cores

64

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

4 MB

-

L3 Cache

64 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

233.3 GPixel/s

42.84 GTexel/s

Texture Rate

622.1 GTexel/s

1371 GFLOPS

FP16 (half)

39.81 TFLOPS

1371 GFLOPS

FP32 (float)

19.91 TFLOPS

85.68 GFLOPS

FP64 (double)

622.1 GFLOPS

Board Design

60W

TDP

220W

250 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

None

Power Connectors

2x 8-pin

Graphics Processor

Baffin

GPU Name

Navi 48

Baffin LE

GPU Variant

Navi 48 XT

GCN 4.0

Architecture

RDNA 4.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

4 nm

3 billion

Transistors

Unknown

123 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

6.4

Shader Model

6.8

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