ATI Radeon X550 vs GeForce GT 640M Mac Edition

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Aggregate performance score

We've compared GeForce GT 640M Mac Edition with Radeon X550, including specs and performance data.

GT 640M Mac Edition
2013
512 MB GDDR5, 32 Watt
1.04
+700%

GT 640M Mac Edition outperforms ATI X550 by a whopping 700% based on our aggregate benchmark results.

Primary details

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

Place in the ranking10971434
Place by popularitynot in top-100not in top-100
Power efficiency2.23no data
ArchitectureKepler (2012−2018)Rage 9 (2003−2006)
GPU code nameGK107RV370
Market segmentLaptopDesktop
Release date3 February 2013 (11 years ago)1 July 2005 (19 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 cores384no data
Core clock speed745 MHz400 MHz
Number of transistors1,270 million107 million
Manufacturing process technology28 nm110 nm
Power consumption (TDP)32 Wattno data
Texture fill rate23.841.600
Floating-point processing power0.5722 TFLOPSno data
ROPs84
TMUs324

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 1.0 x16
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeGDDR5DDR
Maximum RAM amount512 MB128 MB
Memory bus width64 Bit128 Bit
Memory clock speed1250 MHz250 MHz
Memory bandwidth40 GB/s8 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 ConnectorsNo outputs1x DVI, 1x VGA, 1x S-Video

API compatibility

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

DirectX12 (11_0)9.0
Shader Model5.1no data
OpenGL4.62.0
OpenCL1.2N/A
Vulkan1.1.126N/A
CUDA3.0-

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 1.04 0.13
Recency 3 February 2013 1 July 2005
Maximum RAM amount 512 MB 128 MB
Chip lithography 28 nm 110 nm

GT 640M Mac Edition has a 700% higher aggregate performance score, an age advantage of 7 years, a 300% higher maximum VRAM amount, and a 292.9% more advanced lithography process.

The GeForce GT 640M Mac Edition is our recommended choice as it beats the Radeon X550 in performance tests.

Be aware that GeForce GT 640M Mac Edition is a notebook card while Radeon X550 is a desktop 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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NVIDIA GeForce GT 640M Mac Edition
GeForce GT 640M Mac Edition
ATI Radeon X550
Radeon X550

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Community ratings

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3.1 9 votes

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2.9 43 votes

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Questions & comments

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