GeForce GTX 490 vs Radeon HD 6950

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Primary details

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

Place in the ranking554not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.04no data
Power efficiency2.45no data
ArchitectureTeraScale 3 (2010−2013)Fermi (2010−2014)
GPU code nameCaymanGF100
Market segmentDesktopDesktop
Designreferenceno data
Release date14 December 2010 (13 years ago)no data (2024 years ago)
Launch price (MSRP)$299 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 cores1408480
Core clock speedno data608 MHz
Boost clock speed800 MHzno data
Number of transistors2,640 million3,100 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)500 Watt365 Watt
Texture fill rate70.4036.48
Floating-point processing power2.253 TFLOPS1.166 TFLOPS
ROPs3248
TMUs8860

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 supportPCIe 2.0 x16no data
InterfacePCIe 2.0 x16PCIe 2.0 x16
Length267 mm279 mm
Width2-slot2-slot
Supplementary power connectors2x 6-pin2x 8-pin

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 GB1536 MB
Memory bus width256 Bit384 Bit
Memory clock speed1250 MHz854 MHz
Memory bandwidthno data164.0 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 Connectors2x DVI, 1x HDMI, 2x mini-DisplayPort3x DVI, 1x mini-DisplayPort
Eyefinity+-
HDMI+-

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.

DirectXDirectX® 1112 (11_0)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.1
Vulkan-N/A
CUDA-2.0

Pros & cons summary


Maximum RAM amount 2 GB 1536 MB
Power consumption (TDP) 500 Watt 365 Watt

HD 6950 has a 33.3% higher maximum VRAM amount.

GTX 490, on the other hand, has 37% lower power consumption.

We couldn't decide between Radeon HD 6950 and GeForce GTX 490. 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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AMD Radeon HD 6950
Radeon HD 6950
NVIDIA GeForce GTX 490
GeForce GTX 490

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.


3.7 217 votes

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3.3 26 votes

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Questions & comments

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