Radeon HD 6670A vs GeForce GTX 295

Primary details

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

Place in performance ranking	712	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.16	no data
Architecture	Tesla 2.0 (2007−2013)	TeraScale 2 (2009−2015)
GPU code name	GT200B	Turks
Market segment	Desktop	Desktop
Release date	8 January 2009 (15 years ago)	19 April 2011 (13 years ago)
Launch price (MSRP)	$500	no data
Current price	$200 (0.4x MSRP)	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	240	480
CUDA cores	480	no data
CUDA cores per GPU	240	no data
Core clock speed	576 MHz	600 MHz
Number of transistors	1,400 million	716 million
Manufacturing process technology	55 nm	40 nm
Power consumption (TDP)	289 Watt	45 Watt
Maximum GPU temperature	105 °C	no data
Texture fill rate	92.2 billion/sec	14.40
Floating-point performance	2x 596.2 gflops	576.0 gflops

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).

Interface	PCIe 2.0 x16	MXM-A (3.0)
Length	10.5" (267 mm) (26.7 cm)	no data
Height	4.376" (111 mm) (11.1 cm)	no data
Width	2-slot	MXM Module
Supplementary power connectors	6-pin & 8-pin	no data
SLI options	+	no 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 type	GDDR3	GDDR5
Maximum RAM amount	1792 MB	1 GB
Standard memory config per GPU	896 MB	no data
Memory bus width	896 Bit	128 Bit
Memory clock speed	999 MHz	4000 MHz
Memory bandwidth	223.8 GB/s	64 GB/s
Memory interface width per GPU	448 Bit	no data

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 Connectors	Two Dual Link DVIHDMI	No outputs
Multi monitor support	+	no data
HDMI	+	no data
Maximum VGA resolution	2048x1536	no data
Audio input for HDMI	S/PDIF	no data

Supported technologies

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

High Dynamic-Range Lighting (HDRR)

128bit

no data

API compatibility

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

DirectX	11.1 (10_0)	11.2 (11_0)
Shader Model	4.0	5.0
OpenGL	2.1	4.4
OpenCL	1.1	1.2
Vulkan	N/A	N/A
CUDA	+	no data

Pros & cons summary

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Recency	8 January 2009	19 April 2011
Maximum RAM amount	1792 MB	1 GB
Chip lithography	55 nm	40 nm
Power consumption (TDP)	289 Watt	45 Watt

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