ATI Radeon HD 4650 vs GeForce GT 640 Rev. 2

GT 610 GT 610 PCI GT 620 GT 625 OEM GT 630 GT 630 OEM GT 635 OEM GT 640 GT 640 OEM GT 640 OEM Rebrand GT 640 Rev. 2 GT 645 OEM
VS
Radeon HD 4200 Radeon HD 4250 Radeon HD 4350 Radeon HD 4550 Radeon HD 4650 Radeon HD 4650 AGP Radeon HD 4670 Radeon HD 4670 AGP Radeon HD 4670 X2 Radeon HD 4850 Radeon HD 4870 Radeon HD 4890

Aggregate performance score

We've compared GeForce GT 640 Rev. 2 and Radeon HD 4650, covering specs and all relevant benchmarks.

GT 640 Rev. 2
2013
1 GB GDDR5, 49 Watt
3.55
+473%

GT 640 Rev. 2 outperforms ATI HD 4650 by a whopping 473% based on our aggregate benchmark results.

Contents

GT 640 Rev. 2 GT 640 Rev. 2
ATI HD 4650 HD 4650

Primary details

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

Place in the ranking7201195
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.19no data
Power efficiency5.050.90
ArchitectureKepler 2.0 (2013−2015)TeraScale (2005−2013)
GPU code nameGK208RV730
Market segmentDesktopDesktop
Release date29 May 2013 (11 years ago)10 September 2008 (16 years ago)
Launch price (MSRP)$89 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 cores384320
Core clock speed1046 MHz600 MHz
Number of transistors915 million514 million
Manufacturing process technology28 nm55 nm
Power consumption (TDP)49 Watt48 Watt
Texture fill rate33.4719.20
Floating-point processing power0.8033 TFLOPS0.384 TFLOPS
ROPs88
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 x8PCIe 2.0 x16
Length145 mm193 mm
Width1-slot1-slot
Supplementary power connectorsNoneno data

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 typeGDDR5GDDR3
Maximum RAM amount1 GB256 MB
Memory bus width64 Bit128 Bit
Memory clock speed1252 MHz700 MHz
Memory bandwidth40.06 GB/s22.4 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 VGA2x DVI, 1x S-Video
HDMI+-

API compatibility

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

DirectX12 (11_0)10.1 (10_1)
Shader Model5.14.1
OpenGL4.63.3
OpenCL1.21.1
Vulkan1.1.126N/A
CUDA3.5-

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 3.55 0.62
Recency 29 May 2013 10 September 2008
Maximum RAM amount 1 GB 256 MB
Chip lithography 28 nm 55 nm
Power consumption (TDP) 49 Watt 48 Watt

GT 640 Rev. 2 has a 472.6% higher aggregate performance score, an age advantage of 4 years, a 300% higher maximum VRAM amount, and a 96.4% more advanced lithography process.

ATI HD 4650, on the other hand, has 2.1% lower power consumption.

The GeForce GT 640 Rev. 2 is our recommended choice as it beats the Radeon HD 4650 in performance tests.

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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

NVIDIA GeForce GT 640 Rev. 2
GeForce GT 640 Rev. 2
ATI Radeon HD 4650
Radeon HD 4650
Like
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Comparisons with similar GPUs

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

GT 640 Rev. 2 GeForce GT 640 Rev. 2
vs
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ATI HD 4650 Radeon HD 4650
vs
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GT 640 Rev. 2 GeForce GT 640 Rev. 2
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GT 610 GeForce GT 610
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RTX 2070 Super GeForce RTX 2070 Super

Community ratings

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

3.9 26 votes

Rate GeForce GT 640 Rev. 2 on a scale of 1 to 5:

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3.2 227 votes

Rate Radeon HD 4650 on a scale of 1 to 5:

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Questions & comments

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