AMD Radeon 550X 640SP vs AMD Radeon RX 9070 XT

VS

AMD Radeon 550X 640SP

AMD Radeon RX 9070 XT

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 16GB VRAM Radeon RX 9070 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Lower TDP (50W vs 260W)

AMD Radeon RX 9070 XT 's Advantages

Boost Clock has increased by 152% (2700MHz vs 1071MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (624.1GB/s vs 48.00GB/s)

3456 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

Radeon RX 9070 XT +1513%

22.12 TFLOPS

Radeon 550X 640SP

VS

Radeon RX 9070 XT

Graphics Card

Apr 2018

Release Date

Unknown

Polaris

Generation

Navi IV(RX 9000)

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1019 MHz

Base Clock

2210 MHz

1071 MHz

Boost Clock

2700 MHz

1500 MHz

Memory Clock

2438 MHz

Memory

4GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

48.00GB/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

256 KB

L2 Cache

4 MB

-

L3 Cache

64 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

259.2 GPixel/s

42.84 GTexel/s

Texture Rate

691.2 GTexel/s

1371 GFLOPS

FP16 (half)

44.24 TFLOPS

1371 GFLOPS

FP32 (float)

22.12 TFLOPS

85.68 GFLOPS

FP64 (double)

691.2 GFLOPS

Board Design

50W

TDP

260W

250 W

Suggested PSU

600 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

Lexa

GPU Name

Navi 48

Lexa PRO (215-0904018)

GPU Variant

Navi 48 XT

GCN 4.0

Architecture

RDNA 4.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

4 nm

2.2 billion

Transistors

Unknown

103 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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