GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4870 X2
75%
75%
AMD Radeon R9 270X
134%
134%
AMD Radeon R9 270X is approximately 59% faster
Technical Specifications
| Specification | ATI Radeon HD 4870 X2 | AMD Radeon R9 270X |
|---|---|---|
| Graphics ProcessorDifferent | R700 x2 | Curacao |
| CoresDifferent | 800 x2 | 1280 |
| TMUsDifferent | 40 x2 | 80 |
| 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 270X |
|---|---|---|
| GPU NameDifferent | R700 | Curacao |
| GPU VariantDifferent | R700 XT(215-0669045) | Curacao XT(215-0848004) |
| ArchitectureDifferent | TeraScale | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 55 nm | 28 nm |
| TransistorsDifferent | 956 million | 2,800 million |
| DensityDifferent | 3.7M / mm² | 13.2M / mm² |
| Die SizeDifferent | 256 mm² | 212 mm² |
| Chip PackageDifferent | N/A | FCBGA-1737 |
Graphics Card
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 270X |
|---|---|---|
| Release DateDifferent | Aug 12th, 2008 | Oct 8th, 2013 |
| 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 | 199 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 79 in our database | 90 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 270X |
|---|---|---|
| GPU ClockDifferent | 750 MHz | N/A |
| Memory ClockDifferent | 900 MHz3.6 Gbps effective | 1400 MHz5.6 Gbps effective |
| Base ClockDifferent | N/A | 1000 MHz |
| Boost ClockDifferent | N/A | 1050 MHz |
Memory
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 270X |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 115.2 GB/s | 179.2 GB/s |
Render Config
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 270X |
|---|---|---|
| Shading UnitsDifferent | 800 | 1280 |
| TMUsDifferent | 40 | 80 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 10 | 20 |
| 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 270X |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 33.60 GPixel/s |
| Texture RateDifferent | 30.00 GTexel/s | 84.00 GTexel/s |
| FP32 (float)Different | 1,200.0 GFLOPS | 2.688 TFLOPS |
| FP64 (double)Different | 240.0 GFLOPS (1:5) | 168.0 GFLOPS (1:16) |
Board Design
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 270X |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 267 mm10.5 inches | 241 mm9.5 inches |
| HeightDifferent | 111 mm4.4 inches | 109 mm4.3 inches |
| WidthDifferent | 38 mm1.5 inches | 36 mm1.4 inches |
| TDPDifferent | 286 W | 180 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 | C631, 109-C63257-00A_02, 109-C63257-12_02 |
Graphics Features
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 270X |
|---|---|---|
| DirectXDifferent | 10.1 (10_1) | 12 (11_1) |
| OpenGLDifferent | 3.3 | 4.6 |
| OpenCLDifferent | 1.1 | 2.1 (1.2) |
| VulkanDifferent | N/A | 1.2.170 |
| Shader ModelDifferent | 4.1 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
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 270X
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AMD Radeon R9 270X vs GeForce GTX 960
GeForce GTX 960 Performance119%
GeForce GTX 960 is 19% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs GeForce GTX 670
GeForce GTX 670 Performance116%
GeForce GTX 670 is 16% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs Radeon HD 5970
Radeon HD 5970 Performance105%
Radeon HD 5970 is 5% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs GeForce GTX 1630
GeForce GTX 1630 Performance105%
GeForce GTX 1630 is 5% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs GeForce GTX 1050
GeForce GTX 1050 Performance103%
GeForce GTX 1050 is 3% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs GeForce GTX 760
GeForce GTX 760 Performance102%
GeForce GTX 760 is 2% faster than AMD Radeon R9 270X
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