GTX 690 Vs HD 6990 Vs HD 7970 CF benchmark tests (All in one Review)

Welcome back guys on this new "All in one Review" on GuruHT, today I want to bring you a comparison between enthusiast products line from the two big company Nvidia and AMD with the latest high-end "Kepler" Geforce GTX 690 Dual-GPU graphic card face to face with the latest Tahiti Radeon HD 7970 and the previous generation Radeon HD 6990, these two last products from AMD are tested in crossfire to match the power of the most powerful graphic card in the world now, the Nvidia Geforce GTX 690.

The Nvidia Geforce GTX 690 and AMD Radeon HD 7970 use the latest 28nm process technology, GTX 690 is a dual GK104 GPU which used on the GTX 680 single-GPU video card, now let's start with the specifications and features of each graphic card.

Video cards Specifications:

	GTX 690	Radeon HD 7970	Radeon HD 6990
Stream Processors	2 x 1536	2048	3072
Texture Units	2 x 128	128	192
ROPs	2 x 32	32	2 x 32
Core Clock	915MHz	925MHz	830MHz
Shader Clock	N/A	N/A	N/A
Boost Clock	1019MHz	N/A	BIOS OC 880MHz
Memory Clock	6.008GHz GDDR5	5500MHz	5000Mhz
Memory Bus Width	2 x 256-bit	384-bit	2x 256-bit
VRAM	2 x 2GB	3GB GDDR5	4GB GDDR5
FP64	1/24 FP32	1/4	1/4
TDP	300W	250W	350W
Transistor Count	2 x 3.5B	4.31B	2x 2.64B
Manufacturing Process	TSMC 28nm.	TSMC 28nm	TSMC 40nm
Launch Price	$999	$549	$699

Now let's take a look at features and more specifications of each card.

Nvidia Geforce GTX 690 features:

The Geforce GTX 690 uses the latest "Kepler" codenamed architecture (GK-codenamed chips) GK110 GPU from Nvidia which is build using the new 28nm processing technology meaning a new era of low power consumption, low heat output and higher performance per watt,

Main features of the Nvidia 600 series:

• Microsoft Direct3D 11.1.
• Support for latest PCI Express 3.0 interface.
• New DisplayPort 1.2.
• HDMI 1.4a 4K x 2K video output.
• Purevideo VP5 hardware video acceleration (up to 4K x 2K H.264 decode).
• Hardware H.264 encoding acceleration block.
• Support for up to 4 independent 2D displays, or 3 stereoscopic/3D displays (NV Surround).
• Bindless Textures.
• CUDA Compute Capability 3.0.
• Manufactured by TSMC on a 28 nm process.

The Geforce GTX 690 launched in April 29 with a price tag 999$, using two GK104 GPUs which is used on the GTX 680 running at 915Mhz each one, in addition to 2×3540 processing units, 2×2048 of GDDR5 memory running @ 6008Mhz for both GPUs video memory and using total of 512bit (2x256bit) wide data bus, this monster require 300W to run stable.

Geforce GTX 690 GPU-Z specifications:

Jen-Hsun Huang shows off
the GeForce GTX 690

AMD Radeon HD 7970 features:

Featuring the new AMD's "Tahiti" GPU, the Radeon HD 7970 is most powerfull single GPU graphic card on AMD Radeon products until now, and the world first graphic card using the 28nm TSMC processing technology using the all new AMD's GCN Architecture, featuring DirectX 11 technology and supporting the latest PCIe 3.0 standard for the fastest performance on the lan.

Check out bellow GPU-Z snapshots of the Tahiti based video card.

Radeon HD 6990 specifications GPU-Z:

AMD Radeon HD 6990 features:

This video card was a monster one year ago, with a beasty dual-GPU inside, the AMD Radeon HD 6990 still a solid competitor even with the latest generation of graphic card.

Featuring 4GB of high-speed GDDR5 memory, powered with two "Antiles" 40nm GPUs and a 256 bit wide data bus with up to 195.2GB/s of bandwidth, check out bellow specifications.

Radeon HD 6990 specifications GPU-Z:

Benchmarks selection

Battlefield 3 benchmark test @ 2560x1600:

Full review

 Unigine Heaven 2.0 test:

Full review

Crysis 2 DX11 Benchmark results:

Full review

3DMark 2011 Benchmark results:

full review

More benchies, GTX 690 Vs GTX 680 Nvidia performance comparison:

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