GeForce GT 640 vs ATI Radeon HD 4860

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Primary details

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

Place in the rankingnot rated769
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.20
Power efficiencyno data3.23
ArchitectureTeraScale (2005−2013)Kepler (2012−2018)
GPU code nameRV790GK107
Market segmentDesktopDesktop
Release date9 September 2009 (15 years ago)5 June 2012 (12 years ago)
Launch price (MSRP)no data$99

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 cores640384
Core clock speed700 MHz902 MHz
Number of transistors959 million1,270 million
Manufacturing process technology55 nm28 nm
Power consumption (TDP)130 Watt65 Watt
Texture fill rate22.4028.86
Floating-point processing power0.896 TFLOPS0.6927 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 2.0 x16PCIe 3.0 x16
Lengthno data145 mm
Width2-slot1-slot
Supplementary power connectors2x 6-pinNone

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 typeGDDR5DDR3
Maximum RAM amount512 MB2 GB
Memory bus width256 Bit128 Bit
Memory clock speed750 MHz891 MHz
Memory bandwidth96 GB/s28.51 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 Connectors2x DVI, 1x S-Video1x DVI, 1x HDMI, 1x DisplayPort
HDMI-+

API compatibility

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

DirectX10.1 (10_1)12 (11_0)
Shader Model4.15.1
OpenGL3.34.6
OpenCL1.11.2
VulkanN/A1.1.126
CUDA-3.0

Pros & cons summary


Recency 9 September 2009 5 June 2012
Maximum RAM amount 512 MB 2 GB
Chip lithography 55 nm 28 nm
Power consumption (TDP) 130 Watt 65 Watt

GT 640 has an age advantage of 2 years, a 300% higher maximum VRAM amount, a 96.4% more advanced lithography process, and 100% lower power consumption.

We couldn't decide between Radeon HD 4860 and GeForce GT 640. We've got no test results to judge.


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

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ATI Radeon HD 4860
Radeon HD 4860
NVIDIA GeForce GT 640
GeForce GT 640

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Community ratings

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


4.3 10 votes

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3.4 1576 votes

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Questions & comments

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