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by techPowerUp! (Mar, 2008)Both overclocks are quite slim, but look better when viewed in contrast to the HD 3870 reference clocks of.
by techPowerUp! (Mar, 2008)X3 is a space combat/trading simulation game with beautiful graphics.
Features Key features of the Radeon HD 3870
memory bandwidth Rate at which data can be read from or stored in onboard memory
pixel rate Number of pixels a graphics card can render to the screen every second
texture rate Speed at which a graphics card can perform texture mapping
floating point performance How fast the gpu can crunch numbers
shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading
texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes
Reviews Word on the street for the Radeon HD 3870
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What People Are Saying Give it to me straight
Memory
by techPowerUp! (Mar, 2008)Please note that the slowest card will decide the total clock speed of your setup.
by techPowerUp! (Mar, 2008)The memory Sapphire uses is the fastest GDDR4 blend you can find on video cards today.
by techPowerUp! (Mar, 2008)It is slightly higher than the reference HD 3870 because of the increased clocks and slightly lower than the HD 3850 because of GDDR4's reduced power consumption.
Performance
by techPowerUp! (Mar, 2008)Compared to the offerings from NVIDIA it does especially well in 2D/idle mode but falls behind a bit when it comes to achieving best performance per watt scores.
by techPowerUp! (Mar, 2008)Of course all those gimmicks have a price, but if you have use for a 3DMark license, an HDMI cable and PowerDVD then the extra price of about $40 over the reference design can be easily justified.
Applications
by techPowerUp! (Mar, 2008)We tested the DX9 version with graphics set to "High", which is the highest non-DX10 setting in the game.
by techPowerUp! (Mar, 2008)The game world is gigantic and there is always something new to see.
Overclocking
by techPowerUp! (Mar, 2008)To find the maximum overclock of our card we used a combination of internal AMD software, ATITool and our benchmarking suite.
Memory Type
by techPowerUp! (Mar, 2008)Motherboard:Gigabyte P35C-DS3RIntel P35Memory:2x 1024MB A.DATA DDR2 1066+ CL4Harddisk:WD Raptor 740ADFD 74 GBPower Supply:OCZ GameXStream 700WSoftware:Windows XP SP2Drivers:NVIDIA: 169.04ATI: Catalyst 7.11 In order to characterize a video card's power consumption, the whole system's mains power draw was measured.
Specifications Full list of technical specs
gpu
| GPU brand | ATI |
|---|---|
| GPU name | RV670 XT |
| Market | Desktop |
| Clock speed | 825 MHz |
| Is dual GPU | No |
| Reference card | ATi Radeon HD 3870 777 MHz 512 MB |
raw performance
| Shading units | 320 |
|---|---|
| Texture mapping units | 16 |
| Render output processors | 16 |
| Compute units | 4 |
| Pixel rate | 13.2 GPixel/s |
| Texture rate | 13.2 GTexel/s |
| Floating-point performance | 528 GFLOPS |
memory
| Memory clock speed | 1,200 MHz |
|---|---|
| Effective memory clock speed | 2,400 MHz |
| Memory bus | 256 bit |
| Memory | 512 MB |
| Memory type | GDDR4 |
| Memory bandwidth | 76.8 GB/s |
noise and power
| TDP | 106W |
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Compare
Competitors
 | ATi Radeon HD 5450
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 | AMD Radeon R7 240
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 | AMD Radeon HD 6670
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 | ATi Radeon HD 5770
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 | ATi Radeon HD 4850
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 | ASUS GeForce GT 8800
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Other Radeon HD 3870s
 | Diamond Radeon HD 3870 Ruby Edition
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 | ASUS Radeon HD 3870 Magic
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 | Sapphire Radeon HD 3870 Toxic II
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