Radeon 550X vs GeForce GT 640

VS

Aggregate performance score

We've compared GeForce GT 640 and Radeon 550X, covering specs and all relevant benchmarks.

GT 640
2012
2 GB DDR3, 65 Watt
3.05

550X outperforms GT 640 by a significant 22% based on our aggregate benchmark results.

Primary details

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

Place in the ranking761704
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.20no data
Power efficiency3.255.14
ArchitectureKepler (2012−2018)GCN 4.0 (2016−2020)
GPU code nameGK107Lexa
Market segmentDesktopDesktop
Release date5 June 2012 (12 years ago)27 March 2019 (5 years ago)
Launch price (MSRP)$99 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores384512
Core clock speed902 MHz1082 MHz
Boost clock speedno data1218 MHz
Number of transistors1,270 million2,200 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)65 Watt50 Watt
Texture fill rate28.8638.98
Floating-point processing power0.6927 TFLOPS1.247 TFLOPS
ROPs1616
TMUs3232

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).

InterfacePCIe 3.0 x16PCIe 3.0 x8
Length145 mm145 mm
Width1-slot2-slot
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 typeDDR3GDDR5
Maximum RAM amount2 GB2 GB
Memory bus width128 Bit128 Bit
Memory clock speed891 MHz1750 MHz
Memory bandwidth28.51 GB/s112.0 GB/s

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 DisplayPort1x DVI, 1x HDMI, 1x DisplayPort
HDMI++

API compatibility

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

DirectX12 (11_0)12 (12_0)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.1.1261.2.131
CUDA3.0-

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.

GT 640 3.05
Radeon 550X 3.71
+21.6%

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.

GT 640 1176
Radeon 550X 1432
+21.8%

Gaming performance

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

Pros & cons summary


Performance score 3.05 3.71
Recency 5 June 2012 27 March 2019
Chip lithography 28 nm 14 nm
Power consumption (TDP) 65 Watt 50 Watt

Radeon 550X has a 21.6% higher aggregate performance score, an age advantage of 6 years, a 100% more advanced lithography process, and 30% lower power consumption.

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


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

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NVIDIA GeForce GT 640
GeForce GT 640
AMD Radeon 550X
Radeon 550X

Comparisons with similar GPUs

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.


3.4 1538 votes

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3.2 13 votes

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Questions & comments

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