Radeon RX 640 vs 550X

VS

Aggregate performance score

We've compared Radeon 550X with Radeon RX 640, including specs and performance data.

Radeon 550X
2019
2 GB GDDR5, 50 Watt
3.50

RX 640 outperforms 550X by an impressive 51% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking721614
Place by popularitynot in top-100not in top-100
Power efficiency5.017.54
ArchitectureGCN 4.0 (2016−2020)GCN 4.0 (2016−2020)
GPU code nameLexaPolaris 23
Market segmentDesktopLaptop
Release date27 March 2019 (5 years ago)13 May 2019 (5 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores512640
Core clock speed1082 MHz1082 MHz
Boost clock speed1218 MHz1218 MHz
Number of transistors2,200 million2,200 million
Manufacturing process technology14 nm14 nm
Power consumption (TDP)50 Watt50 Watt
Texture fill rate38.9848.72
Floating-point processing power1.247 TFLOPS1.559 TFLOPS
ROPs1616
TMUs3240

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizeno datalarge
InterfacePCIe 3.0 x8PCIe 3.0 x8
Length145 mmno data
Width2-slotno data
Supplementary power connectorsNoneNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR5
Maximum RAM amount2 GB2 GB
Memory bus width128 Bit64 Bit
Memory clock speed1750 MHz1500 MHz
Memory bandwidth112.0 GB/s48 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync-+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_0)12 (12_0)
Shader Model6.46.4
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.2.1311.2.131

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Radeon 550X 3.50
RX 640 5.27
+50.6%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Radeon 550X 1398
RX 640 2107
+50.7%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD16−18
−62.5%
26
+62.5%

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2 12−14
+0%
12−14
+0%
Cyberpunk 2077 12−14
+0%
12−14
+0%

Full HD
Medium Preset

Battlefield 5 16−18
+0%
16−18
+0%
Counter-Strike 2 12−14
+0%
12−14
+0%
Cyberpunk 2077 12−14
+0%
12−14
+0%
Forza Horizon 4 21−24
+0%
21−24
+0%
Forza Horizon 5 10−12
+0%
10−12
+0%
Metro Exodus 17
+0%
17
+0%
Red Dead Redemption 2 26
+0%
26
+0%
Valorant 16−18
+0%
16−18
+0%

Full HD
High Preset

Battlefield 5 16−18
+0%
16−18
+0%
Counter-Strike 2 12−14
+0%
12−14
+0%
Cyberpunk 2077 12−14
+0%
12−14
+0%
Dota 2 18
+0%
18
+0%
Far Cry 5 30
+0%
30
+0%
Fortnite 30−35
+0%
30−35
+0%
Forza Horizon 4 21−24
+0%
21−24
+0%
Forza Horizon 5 10−12
+0%
10−12
+0%
Grand Theft Auto V 18−20
+0%
18−20
+0%
Metro Exodus 12−14
+0%
12−14
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 45−50
+0%
45−50
+0%
Red Dead Redemption 2 16−18
+0%
16−18
+0%
The Witcher 3: Wild Hunt 18−20
+0%
18−20
+0%
Valorant 16−18
+0%
16−18
+0%
World of Tanks 85−90
+0%
85−90
+0%

Full HD
Ultra Preset

Battlefield 5 16−18
+0%
16−18
+0%
Counter-Strike 2 12−14
+0%
12−14
+0%
Cyberpunk 2077 12−14
+0%
12−14
+0%
Dota 2 49
+0%
49
+0%
Far Cry 5 24−27
+0%
24−27
+0%
Forza Horizon 4 21−24
+0%
21−24
+0%
Forza Horizon 5 10−12
+0%
10−12
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 45−50
+0%
45−50
+0%
Valorant 16−18
+0%
16−18
+0%

1440p
High Preset

Dota 2 5−6
+0%
5−6
+0%
Grand Theft Auto V 6−7
+0%
6−7
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 35−40
+0%
35−40
+0%
Red Dead Redemption 2 4−5
+0%
4−5
+0%
World of Tanks 35−40
+0%
35−40
+0%

1440p
Ultra Preset

Battlefield 5 9−10
+0%
9−10
+0%
Counter-Strike 2 4−5
+0%
4−5
+0%
Cyberpunk 2077 5−6
+0%
5−6
+0%
Far Cry 5 10−12
+0%
10−12
+0%
Forza Horizon 4 9−10
+0%
9−10
+0%
Forza Horizon 5 8−9
+0%
8−9
+0%
Metro Exodus 5−6
+0%
5−6
+0%
The Witcher 3: Wild Hunt 8−9
+0%
8−9
+0%
Valorant 14−16
+0%
14−16
+0%

4K
High Preset

Counter-Strike 2 10−12
+0%
10−12
+0%
Dota 2 16−18
+0%
16−18
+0%
Grand Theft Auto V 16−18
+0%
16−18
+0%
Metro Exodus 1−2
+0%
1−2
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 16−18
+0%
16−18
+0%
Red Dead Redemption 2 3−4
+0%
3−4
+0%
The Witcher 3: Wild Hunt 16−18
+0%
16−18
+0%

4K
Ultra Preset

Battlefield 5 4−5
+0%
4−5
+0%
Counter-Strike 2 10−12
+0%
10−12
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Dota 2 16−18
+0%
16−18
+0%
Far Cry 5 6−7
+0%
6−7
+0%
Fortnite 5−6
+0%
5−6
+0%
Forza Horizon 4 5−6
+0%
5−6
+0%
Forza Horizon 5 3−4
+0%
3−4
+0%
Valorant 5−6
+0%
5−6
+0%

This is how Radeon 550X and RX 640 compete in popular games:

  • RX 640 is 63% faster in 1080p

All in all, in popular games:

  • there's a draw in 64 tests (100%)

Pros & cons summary


Performance score 3.50 5.27
Recency 27 March 2019 13 May 2019

RX 640 has a 50.6% higher aggregate performance score, and an age advantage of 1 month.

The Radeon RX 640 is our recommended choice as it beats the Radeon 550X in performance tests.

Be aware that Radeon 550X is a desktop card while Radeon RX 640 is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon 550X
Radeon 550X
AMD Radeon RX 640
Radeon RX 640

Other comparisons

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.2 13 votes

Rate Radeon 550X on a scale of 1 to 5:

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3.2 260 votes

Rate Radeon RX 640 on a scale of 1 to 5:

  • 1
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  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.