GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4870
153%
153%
ATI Radeon HD 4890
116%
116%
ATI Radeon HD 4870 is approximately 37% faster
Technical Specifications
| Specification | ATI Radeon HD 4870 | ATI Radeon HD 4890 |
|---|---|---|
| Graphics ProcessorDifferent | RV770 | RV790 |
| Cores | 800 | 800 |
| TMUs | 40 | 40 |
| ROPs | 16 | 16 |
| Memory SizeDifferent | 512 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | ATI Radeon HD 4870 | ATI Radeon HD 4890 |
|---|---|---|
| GPU NameDifferent | RV770 | RV790 |
| GPU VariantDifferent | RV770 XT(215-0669049) | RV790 XT(215-0758016) |
| Architecture | TeraScale | TeraScale |
| Foundry | TSMC | TSMC |
| Process Size | 55 nm | 55 nm |
| TransistorsDifferent | 956 million | 959 million |
| DensityDifferent | 3.7M / mm² | 3.4M / mm² |
| Die SizeDifferent | 256 mm² | 282 mm² |
| Chip PackageDifferent | HFCBGA-1492 | N/A |
Graphics Card
| Feature | ATI Radeon HD 4870 | ATI Radeon HD 4890 |
|---|---|---|
| Release DateDifferent | Jun 25th, 2008 | Apr 2nd, 2009 |
| Generation | Radeon R700(HD 4800) | Radeon R700(HD 4800) |
| Predecessor | Radeon R600 | Radeon R600 |
| Successor | Evergreen | Evergreen |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 299 USD | 249 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 135 in our database | 114 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4870 | ATI Radeon HD 4890 |
|---|---|---|
| GPU ClockDifferent | 750 MHz | 850 MHz |
| Memory ClockDifferent | 900 MHz3.6 Gbps effective | 975 MHz3.9 Gbps effective |
Memory
| Feature | ATI Radeon HD 4870 | ATI Radeon HD 4890 |
|---|---|---|
| Memory SizeDifferent | 512 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 115.2 GB/s | 124.8 GB/s |
Render Config
| Feature | ATI Radeon HD 4870 | ATI Radeon HD 4890 |
|---|---|---|
| Shading Units | 800 | 800 |
| TMUs | 40 | 40 |
| ROPs | 16 | 16 |
| Compute Units | 10 | 10 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 256 KB | 256 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4870 | ATI Radeon HD 4890 |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 13.60 GPixel/s |
| Texture RateDifferent | 30.00 GTexel/s | 34.00 GTexel/s |
| FP32 (float)Different | 1,200.0 GFLOPS | 1,360.0 GFLOPS |
| FP64 (double)Different | 240.0 GFLOPS (1:5) | 272.0 GFLOPS (1:5) |
Board Design
| Feature | ATI Radeon HD 4870 | ATI Radeon HD 4890 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| Length | 241 mm9.5 inches | 241 mm9.5 inches |
| Height | 111 mm4.4 inches | 111 mm4.4 inches |
| Width | 40 mm1.6 inches | 40 mm1.6 inches |
| TDPDifferent | 150 W | 190 W |
| Suggested PSU | 450 W | 450 W |
| Outputs | 2x DVI1x S-Video | 2x DVI1x S-Video |
| Power Connectors | 2x 6-pin | 2x 6-pin |
| Board NumberDifferent | 109-B50731-10 | 109-B79031-00 |
Graphics Features
| Feature | ATI Radeon HD 4870 | ATI Radeon HD 4890 |
|---|---|---|
| DirectX | 10.1 (10_1) | 10.1 (10_1) |
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | N/A | N/A |
| Shader Model | 4.1 | 4.1 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
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 ATI Radeon HD 4890
Compare ATI Radeon HD 4890 with other GPUs of similar performance
ATI Radeon HD 4890 vs GeForce GTX 285
GeForce GTX 285 Performance117%
GeForce GTX 285 is 17% faster than ATI Radeon HD 4890
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ATI Radeon HD 4890 vs Radeon HD 6850
Radeon HD 6850 Performance114%
Radeon HD 6850 is 14% faster than ATI Radeon HD 4890
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ATI Radeon HD 4890 vs GeForce GTX 280
GeForce GTX 280 Performance107%
GeForce GTX 280 is 7% faster than ATI Radeon HD 4890
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ATI Radeon HD 4890 vs Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition Performance107%
Radeon HD 7770 GHz Edition is 7% faster than ATI Radeon HD 4890
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ATI Radeon HD 4890 vs GeForce GTX 275
GeForce GTX 275 Performance106%
GeForce GTX 275 is 6% faster than ATI Radeon HD 4890
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ATI Radeon HD 4890 vs GeForce GTX 460
GeForce GTX 460 Performance104%
GeForce GTX 460 is 4% faster than ATI Radeon HD 4890
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