Radeon HD 6450 vs GeForce GTX 660 OEM

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Aggregate performance score

We've compared GeForce GTX 660 OEM and Radeon HD 6450, covering specs and all relevant benchmarks.

GTX 660 OEM
2012
2 GB GDDR5, 130 Watt
3.36
+559%

GTX 660 OEM outperforms HD 6450 by a whopping 559% based on our aggregate benchmark results.

Primary details

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

Place in the ranking7361232
Place by popularitynot in top-100not in top-100
Power efficiency1.771.94
ArchitectureKepler (2012−2018)TeraScale 2 (2009−2015)
GPU code nameGK104Caicos
Market segmentDesktopDesktop
Designno datareference
Release date22 August 2012 (12 years ago)7 April 2011 (13 years ago)
Launch price (MSRP)no data$55

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 cores1152160
Core clock speed823 MHzno data
Boost clock speed888 MHz750 MHz
Number of transistors3,540 million370 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)130 Watt30 Watt
Texture fill rate85.255.000
Floating-point processing power2.046 TFLOPS0.2 TFLOPS
ROPs324
TMUs968

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).

Bus supportno dataPCIe 2.0 x8
InterfacePCIe 3.0 x16PCIe 2.0 x16
Length241 mm168 mm
Width2-slot1-slot
Supplementary power connectors1x 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 typeGDDR5GDDR5
Maximum RAM amount2 GB1 GB
Memory bus width256 Bit64 Bit
Memory clock speed1400 MHz800 MHz
Memory bandwidth179.2 GB/s25.6 GB/s
Memory bandwidthno data8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)

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 HDMI, 1x DisplayPort1x DVI, 1x HDMI, 1x VGA
Eyefinity-+
Number of Eyefinity displaysno data4
HDMI++
DisplayPort support-+

Supported technologies

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

CrossFire-+

API compatibility

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

DirectX12 (11_0)DirectX® 11
Shader Model5.15.0
OpenGL4.64.4
OpenCL1.21.2
Vulkan1.1.126-
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 3.36 0.51
Recency 22 August 2012 7 April 2011
Maximum RAM amount 2 GB 1 GB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 130 Watt 30 Watt

GTX 660 OEM has a 558.8% higher aggregate performance score, an age advantage of 1 year, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

HD 6450, on the other hand, has 333.3% lower power consumption.

The GeForce GTX 660 OEM is our recommended choice as it beats the Radeon HD 6450 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 GTX 660 OEM
GeForce GTX 660 OEM
AMD Radeon HD 6450
Radeon HD 6450

Comparisons with similar GPUs

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Community ratings

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


3.8 34 votes

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3 515 votes

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Questions & comments

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