GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4870 X2
61%
61%
AMD Radeon R9 285
164%
164%
AMD Radeon R9 285 is approximately 103% faster
Technical Specifications
| Specification | ATI Radeon HD 4870 X2 | AMD Radeon R9 285 |
|---|---|---|
| Graphics ProcessorDifferent | R700 x2 | Tonga |
| CoresDifferent | 800 x2 | 1792 |
| TMUsDifferent | 40 x2 | 112 |
| ROPsDifferent | 16 x2 | 32 |
| Memory SizeDifferent | 1024 MB x2 | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit x2 | 256 bit |
Graphics Processor
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 285 |
|---|---|---|
| GPU NameDifferent | R700 | Tonga |
| GPU VariantDifferent | R700 XT(215-0669045) | Tonga PRO(215-0851128) |
| ArchitectureDifferent | TeraScale | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 55 nm | 28 nm |
| TransistorsDifferent | 956 million | 5,000 million |
| DensityDifferent | 3.7M / mm² | 13.7M / mm² |
| Die SizeDifferent | 256 mm² | 366 mm² |
Graphics Card
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 285 |
|---|---|---|
| Release DateDifferent | Aug 12th, 2008 | Sep 2nd, 2014 |
| GenerationDifferent | Radeon R700(HD 4800) | Volcanic Islands(R9 200) |
| PredecessorDifferent | Radeon R600 | Sea Islands |
| SuccessorDifferent | Evergreen | Pirate Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 550 USD | 249 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 79 in our database | 59 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 285 |
|---|---|---|
| GPU ClockDifferent | 750 MHz | 918 MHz |
| Memory ClockDifferent | 900 MHz3.6 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 285 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 115.2 GB/s | 176.0 GB/s |
Render Config
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 285 |
|---|---|---|
| Shading UnitsDifferent | 800 | 1792 |
| TMUsDifferent | 40 | 112 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 10 | 28 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 256 KB | 512 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 285 |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 29.38 GPixel/s |
| Texture RateDifferent | 30.00 GTexel/s | 102.8 GTexel/s |
| FP32 (float)Different | 1,200.0 GFLOPS | 3.290 TFLOPS |
| FP64 (double)Different | 240.0 GFLOPS (1:5) | 205.6 GFLOPS (1:16) |
| FP16 (half)Different | N/A | 3.290 TFLOPS (1:1) |
Board Design
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 285 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 267 mm10.5 inches | 221 mm8.7 inches |
| HeightDifferent | 111 mm4.4 inches | 109 mm4.3 inches |
| WidthDifferent | 38 mm1.5 inches | 36 mm1.4 inches |
| TDPDifferent | 286 W | 190 W |
| Suggested PSUDifferent | 600 W | 450 W |
| OutputsDifferent | 2x DVI1x S-Video | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 2x 6-pin |
| Board NumberDifferent | 109-B50937-00 | C766 |
Graphics Features
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 285 |
|---|---|---|
| DirectXDifferent | 10.1 (10_1) | 12 (12_0) |
| OpenGLDifferent | 3.3 | 4.6 |
| OpenCLDifferent | 1.1 | 2.1 |
| VulkanDifferent | N/A | 1.2.170 |
| Shader ModelDifferent | 4.1 | 6.5 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
Detailed Features
More Comparisons with ATI Radeon HD 4870 X2
Compare ATI Radeon HD 4870 X2 with other GPUs of similar performance
ATI Radeon HD 4870 X2 vs GeForce GTX 570
GeForce GTX 570 Performance120%
GeForce GTX 570 is 20% faster than ATI Radeon HD 4870 X2
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ATI Radeon HD 4870 X2 vs GeForce GTX 660
GeForce GTX 660 Performance119%
GeForce GTX 660 is 19% faster than ATI Radeon HD 4870 X2
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ATI Radeon HD 4870 X2 vs Radeon R7 370
Radeon R7 370 Performance119%
Radeon R7 370 is 19% faster than ATI Radeon HD 4870 X2
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ATI Radeon HD 4870 X2 vs Radeon HD 6970
Radeon HD 6970 Performance115%
Radeon HD 6970 is 15% faster than ATI Radeon HD 4870 X2
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ATI Radeon HD 4870 X2 vs GeForce GTX 480
GeForce GTX 480 Performance110%
GeForce GTX 480 is 10% faster than ATI Radeon HD 4870 X2
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ATI Radeon HD 4870 X2 vs Radeon HD 7850
Radeon HD 7850 Performance108%
Radeon HD 7850 is 8% faster than ATI Radeon HD 4870 X2
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More Comparisons with AMD Radeon R9 285
Compare AMD Radeon R9 285 with other GPUs of similar performance
AMD Radeon R9 285 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance114%
Radeon HD 7970 GHz Edition is 14% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs GeForce GTX 590
GeForce GTX 590 Performance114%
GeForce GTX 590 is 14% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs Radeon R9 280X
Radeon R9 280X Performance112%
Radeon R9 280X is 12% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs Radeon HD 6990
Radeon HD 6990 Performance110%
Radeon HD 6990 is 10% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti Performance104%
GeForce GTX 1050 Ti is 4% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs GeForce GTX 680
GeForce GTX 680 Performance102%
GeForce GTX 680 is 2% faster than AMD Radeon R9 285
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