| Palit Revolution 700 Radeon HD 4870 X2 Video Card |
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Reviews -
Featured Reviews: Video Cards
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| Written by Olin Coles |
| Sunday, 07 December 2008 |
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Page 3 of 13
AE5487XSF0545-PM9348 Specifications
Palit's Revolution 700 Deluxe with dual GPUs features a pre-overclocked core and memory speed, and 2GB of GDDR5 memory. Palit combined 2.4 teraFLOPS of graphics horsepower and 1,600 stream processors to make the Palit Revolution 700 Deluxe the most powerful graphics weapon on the planet today!
1.912 billion transistors total (956 million transistors per GPU on 55nm fabrication process)
Display Output: Dual DL-DVI-I+HDTV
RV770 Core Clock: 750 MHz (x2)
Memory Clock: 950MHz, 1900 MHz DDR.
PCI Express 2.0 x16 bus interface
1024MB /256bit GDDR5 memory interface (x2)
Dual-Slot Active Cooler
HDMI compliant via dongle
7.1 Audio Channel Support
Microsoft DirectX 10.1 support
Shader Model 4.1 support
Product SKU: AE5487XSF0545-PM9348
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Series
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ATI Radeon HD 4870 |
ATI Radeon HD 4850 |
ATI Radeon HD 4850 X2
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ATI Radeon HD 4870 X2 |
Palit Revolution 700 Deluxe |
| Stream Processors |
800 |
800 |
800x2
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800x2 |
800x2 |
| Texture Units |
40 |
40 |
40x2
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40x2 |
40x2 |
| ROPs |
16 |
16 |
16x2
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16x2 |
16x2 |
| Core Clock |
750MHz |
625MHz |
625MHz
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750MHz |
750MHz |
| Memory Clock |
900MHz (3600MHz data rate) GDDR5 |
993MHz (1986MHz data rate) GDDR3 |
993MHz (1986MHz data rate) GDDR3
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900MHz (3600MHz data rate) GDDR5 |
950MHz (3800MHz data rate) GDDR5 |
| Memory Bus Width |
256-bit |
256-bit |
2x256-bit
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2x256-bit |
2x256-bit |
| Frame Buffer |
512MB/1GB |
512MB |
2x1GB
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2x1GB |
2x1GB |
| Transistor Count |
956M |
956M |
2x514M
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2x956M |
2x956M |
| Manufacturing Process |
TSMC 55nm |
TSMC 55nm |
TSMC 55nm
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TSMC 55nm |
TSMC 55nm |
Unified Superscalar Shader Architecture
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1600 stream processing units
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Dynamic load balancing and resource allocation for vertex, geometry, and pixel shaders
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Common instruction set and texture unit access supported for all types of shaders
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Dedicated branch execution units and texture address processors
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128-bit floating point precision for all operations
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Command processor for reduced CPU overhead
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Shader instruction and constant caches
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Up to 320 texture fetches per clock cycle
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Up to 128 textures per pixel
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Fully associative multi-level texture cache design
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DXTC and 3Dc+ texture compression
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High resolution texture support (up to 8192 x 8192)
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Fully associative texture Z/stencil cache designs
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Double-sided hierarchical Z/stencil buffer
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Early Z test and Fast Z Clear
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Lossless Z & stencil compression (up to 128:1)
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Lossless color compression (up to 8:1)
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8 render targets (MRTs) with anti-aliasing support
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Physics processing support
Anti-Aliasing Features
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Multi-sample anti-aliasing (2, 4 or 8 samples per pixel)
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Up to 24x Custom Filter Anti-Aliasing (CFAA) for superior quality
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Adaptive super-sampling and multi-sampling
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Gamma correct
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Super AA (ATI CrossFireX configurations only)
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All anti-aliasing features compatible with HDR rendering
Texture Filtering Features
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2x/4x/8x/16x high quality adaptive anisotropic filtering modes (up to 128 taps per pixel)
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128-bit floating point HDR texture filtering
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sRGB filtering (gamma/degamma)
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Percentage Closer Filtering (PCF)
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Depth & stencil texture (DST) format support
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Shared exponent HDR (RGBE 9:9:9:5) texture format support
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