Back to GPU table
AMDGCN 4.0Released 2018Pricing updated Jul 10, 2026

Radeon 550X 640SP

Lexa | GDDR5 | 4 GB

Current used-market pricing is not yet reliable enough to estimate what a Radeon 550X 640SP Lexa | GDDR5 | 4 GB is worth. Use the range and sample size below to judge a fair buying or selling price.

Used min
-
Lowest qualifying recent sold price.
Used median
-
Median of recent qualifying sold prices.
Performance
-
1.37 TFLOPS
Qualified sales
-
Collected Jul 10, 2026

Current Radeon 550X 640SP Lexa | GDDR5 | 4 GB Valuation

A practical used-market estimate based on the latest qualifying sold-listing snapshot. The fair range uses the middle 50% of prices when those percentiles are available.

Typical used value
-
Latest median qualified sale price.
Fair buying range
-
Usually the 25th–75th percentile range.
Estimate confidence
Medium
Based on 0 sales and 12 stored snapshots.
Price trend
-
30 days

Pricing updated Jul 10, 2026, based on recent qualifying sold listings. Prices describe tracked market observations, not a guaranteed sale price.

Used Price History

The long-term chart tracks how the used price distribution has changed across repeated weekly snapshots.

12 snapshots
No long-term history yet.

Once this GPU has repeated price snapshots, the long-term used-price chart will show up here.

Current Percentile Snapshot

This chart compares the latest used-price percentiles currently stored on the GPU row itself.

No current percentile snapshot yet.

Once the pricing job records a snapshot for this GPU, the current percentile chart will appear here.

GPU Information

Hardware specifications grouped into a readable reference sheet.

Identity

Brand
AMD
Model
Radeon 550X 640SP
Variant
Lexa | GDDR5 | 4 GB
GPU name
Lexa
Architecture
GCN 4.0
Release date
Apr 11, 2018
Release year
2018
Reported production status
End-of-life

Pricing

MSRP
-
Used minimum
-
Used 25th percentile
-
Used median
-
Used 75th percentile
-
Used max
-
Current new price
-
Retail price check
-
Qualified sales count
-
eBay retail listing
-
Amazon retail listing
-
Newegg retail listing
-

Memory and Bus

Memory size
4 GB
Memory type
GDDR5
Memory bus
64-bit
Bandwidth
48 GB/s
Bus interface
PCIe 3.0 x8
PCIe lanes
8
Process
14 nm

Clocks and Compute

GPU clock
-
Base clock
1,019 MHz
Boost clock
1,071 MHz
Game clock
-
Shading units
640
TMUs
40
ROPs
16
RT cores
-
Tensor cores
-
FP32 throughput
1.37 TFLOPS
Relative performance
-

Physical

Slot width
IGP
Length
-
Board power
50 W
Power connectors
-
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

APIs and Snapshots

DirectX
12 (12_0)
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
Latest snapshot
Jul 10, 2026
Latest snapshot sample
0

Radeon 550X 640SP Lexa | GDDR5 | 4 GB FAQ

Quick answers pulled from the latest tracked pricing and spec data.

When was the Radeon 550X 640SP Lexa | GDDR5 | 4 GB released?

The Radeon 550X 640SP Lexa | GDDR5 | 4 GB was released in 2018. Release year matters on the used market because it affects driver support, platform compatibility, and how much life the part likely has left.

Keep Exploring

Move back to the live chart, the guide pages, or the closest matching budget view.

Live tool

Used GPU comparison chart

Compare this card against the rest of the market in the live chart and table.

Methodology

Used GPU value guide

Read how the pricing modes work and how to interpret value versus efficiency.

Directory

GPU detail page directory

Browse other specific GPU pages directly from the site directory.