Radeon HD 3450 vs HD 6950

Primary Details

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

Place in performance ranking	525	not rated
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	0.53	no data
Architecture	TeraScale 3 (2010−2013)	TeraScale (2005−2013)
GPU code name	Cayman	RV620
Market segment	Desktop	Desktop
Design	reference	no data
Release date	14 December 2010 (13 years ago)	10 December 2007 (16 years ago)
Launch price (MSRP)	$299	no data
Current price	$320 (1.1x MSRP)	$56

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	1408	40
Core clock speed	no data	600 MHz
Boost clock speed	800 MHz	no data
Number of transistors	2,640 million	181 million
Manufacturing process technology	40 nm	55 nm
Power consumption (TDP)	500 Watt	25 Watt
Texture fill rate	70.40	2.400
Floating-point performance	2,252.8 gflops	48 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).

Bus support	PCIe 2.0 x16	no data
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	267 mm	no data
Width	2-slot	1-slot
Supplementary power connectors	2x 6-pin	None

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	GDDR5	DDR2
Maximum RAM amount	2 GB	256 MB
Memory bus width	256 Bit	64 Bit
Memory clock speed	1250 MHz	1000 MHz
Memory bandwidth	no data	8 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 Connectors	2x DVI, 1x HDMI, 2x mini-DisplayPort	1x DVI, 1x VGA, 1x S-Video
Eyefinity	1	no data
HDMI	+	no data
DisplayPort support	-	no data

Supported GPU Technologies

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

AppAcceleration	-	no data
CrossFire	1	no data
Enduro	-	no data
HD3D	-	no data
PowerTune	-	no data
TrueAudio	-	no data
ZeroCore	-	no data

API Compatibility

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

DirectX	DirectX® 11	10.1 (10_1)
Shader Model	5.0	4.1
OpenGL	4.4	3.3
OpenCL	1.2	N/A
Vulkan	no data	N/A
Mantle	-	no data

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.

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Pros & Cons Summary

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Recency	14 December 2010	10 December 2007
Maximum RAM amount	2 GB	256 MB
Chip lithography	40 nm	55 nm
Power consumption (TDP)	500 Watt	25 Watt

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

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