GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4870
61%
61%
AMD Radeon R9 285
289%
289%
AMD Radeon R9 285 is approximately 228% faster
Technical Specifications
| Specification | ATI Radeon HD 4870 | AMD Radeon R9 285 |
|---|---|---|
| Graphics ProcessorDifferent | RV770 | Tonga |
| CoresDifferent | 800 | 1792 |
| TMUsDifferent | 40 | 112 |
| ROPsDifferent | 16 | 32 |
| Memory SizeDifferent | 512 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | ATI Radeon HD 4870 | AMD Radeon R9 285 |
|---|---|---|
| GPU NameDifferent | RV770 | Tonga |
| GPU VariantDifferent | RV770 XT(215-0669049) | 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 |
| Chip PackageDifferent | HFCBGA-1492 | N/A |
Graphics Card
| Feature | ATI Radeon HD 4870 | AMD Radeon R9 285 |
|---|---|---|
| Release DateDifferent | Jun 25th, 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 | 299 USD | 249 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 135 in our database | 59 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4870 | 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 | AMD Radeon R9 285 |
|---|---|---|
| Memory SizeDifferent | 512 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 | 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 | 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 | AMD Radeon R9 285 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 241 mm9.5 inches | 221 mm8.7 inches |
| HeightDifferent | 111 mm4.4 inches | 109 mm4.3 inches |
| WidthDifferent | 40 mm1.6 inches | 36 mm1.4 inches |
| TDPDifferent | 150 W | 190 W |
| Suggested PSU | 450 W | 450 W |
| OutputsDifferent | 2x DVI1x S-Video | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 2x 6-pin | 2x 6-pin |
| Board NumberDifferent | 109-B50731-10 | C766 |
Graphics Features
| Feature | ATI Radeon HD 4870 | 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
48
Detailed Features
More Comparisons with ATI Radeon HD 4870
Compare ATI Radeon HD 4870 with other GPUs of similar performance
ATI Radeon HD 4870 vs GeForce GTX 460
GeForce GTX 460 Performance120%
GeForce GTX 460 is 20% faster than ATI Radeon HD 4870
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ATI Radeon HD 4870 vs Radeon HD 4890
Radeon HD 4890 Performance116%
Radeon HD 4890 is 16% faster than ATI Radeon HD 4870
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ATI Radeon HD 4870 vs Radeon HD 6790
Radeon HD 6790 Performance114%
Radeon HD 6790 is 14% faster than ATI Radeon HD 4870
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ATI Radeon HD 4870 vs Radeon HD 5830
Radeon HD 5830 Performance108%
Radeon HD 5830 is 8% faster than ATI Radeon HD 4870
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ATI Radeon HD 4870 vs GeForce GTX 650
GeForce GTX 650 Performance102%
GeForce GTX 650 is 2% faster than ATI Radeon HD 4870
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ATI Radeon HD 4870 vs GeForce GTX 550 Ti
GeForce GTX 550 Ti Performance101%
GeForce GTX 550 Ti is 1% faster than ATI Radeon HD 4870
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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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