Radeon HD 6790 

Released April, 2011
  • 840 MHz
  • 1 GB GDDR5
6.8 Out of 10

The card offers nice overclocking potential, even on top of the out of the box overclock.
by techPowerUp! (May, 2011)
It is nice to see a good amount of additional overclocking potential even though the card is already overclocked out of the box.
by techPowerUp! (May, 2011)

GPUBoss Review Our evaluation of the Radeon HD 6790 among Desktop GPUs

Gaming

Radeon HD 6790
n.d.
Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

Radeon HD 6790
7.1
T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

Radeon HD 6790
5.7
Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Radeon HD 6790
7.4
Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Value

Radeon HD 6790
n.d.
Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

Radeon HD 6790
8.8
TDP, Idle Power Consumption, Load Power Consumption and 2 more

6.8

Overall Score

Radeon HD 6790
6.8

Benchmarks Real world tests of the Radeon HD 6790

Bitcoin mining Data courtesy CompuBench

Radeon HD 6790
121.57 mHash/s
GeForce GTX 550 Ti
44.27 mHash/s
Radeon HD 7770
153.66 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 6790
12.32 mPixels/s
Radeon HD 7770
32.3 mPixels/s
GeForce GTX 550 Ti
17.38 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 6790
750.42 frames/s
GeForce GTX 550 Ti
470.72 frames/s
Radeon HD 7770
506.71 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 6790
3,350.2
Radeon HD 7770
3,351.4

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 6790
3,530.76
Radeon HD 7770
3,715.1

Fire Strike Factor Data courtesy FutureMark

Radeon HD 6790
17.1

Sky Diver Factor Data courtesy FutureMark

Radeon HD 6790
145.62

Cloud Gate Factor Data courtesy FutureMark

Radeon HD 6790
13.91

Reviews Word on the street for the Radeon HD 6790


9.3
If you are willing to do some manual fan control then this can be easily remedied as there is plenty of temperature headroom to quieten down the fan.

What People Are Saying Give it to me straight

Performance

price/performance. Should you want even more performance, then overclocking can be done easily.
by techPowerUp! (May, 2011)
So depending on whether you are willing to go with last-gen, which is feature-wise pretty much the same, you could save a bit of money or get some extra performance.
by techPowerUp! (Apr, 2011)
In both idle and load the card is noisier than it should be, considering its performance class.
by techPowerUp! (Apr, 2011)

Price

Since the card is also about 5% more expensive, the price increase is justified when looking at.
by techPowerUp! (May, 2011)
Price-wise AMD is communicating around $150 for their new Radeon HD 6790 which seems to match with what we have seen on some early postings of online merchants.
by techPowerUp! (Apr, 2011)
If AMD can bring down its price by another $10 the situation would dramatically change, making HD 6790 the bread and butter card of the budget oriented gamer.
by techPowerUp! (Apr, 2011)

Memory

The clock speeds of the card have also received a healthy bump, up to 900 MHz core and 1100 MHz memory.
by techPowerUp! (May, 2011)
Despite increased clock speeds out of the box, the HIS HD 6790 IceQ X Turbo consumes less power than the AMD HD 6790 reference design.
by techPowerUp! (May, 2011)
Even though it seems to lack some memory, GTX 460 768 MB can deliver 10% more performance at the same price of $149.
by techPowerUp! (Apr, 2011)

Power

The most important factors here seems to be the lower operating temperature: the same chip at the same clocks, handling the same workload will use more power the hotter it runs.
by techPowerUp! (May, 2011)

Clock

NVIDIA's GTX 550 Ti works a lot better here when considering clocks, with typical OCs in the range of 1050 MHz.
by techPowerUp! (Apr, 2011)

Specifications Full list of technical specs

gpu

GPU brand AMD
GPU name Barts LE
Market Desktop
Clock speed 840 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 800
Texture mapping units 40
Render output processors 16
Compute units 10
Pixel rate 13.44 GPixel/s
Texture rate 33.6 GTexel/s
Floating-point performance 1,344 GFLOPS

memory

Memory clock speed 1,050 MHz
Effective memory clock speed 4,200 MHz
Memory bus 256 bit
Memory 1,024 MB
Memory type GDDR5
Memory bandwidth 134.4 GB/s

noise and power

TDP 150W
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