GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4870 X2
54%
54%
AMD Radeon R9 280X
184%
184%
AMD Radeon R9 280X is approximately 130% faster
Technical Specifications
| Specification | ATI Radeon HD 4870 X2 | AMD Radeon R9 280X |
|---|---|---|
| Graphics ProcessorDifferent | R700 x2 | Tahiti |
| CoresDifferent | 800 x2 | 2048 |
| TMUsDifferent | 40 x2 | 128 |
| ROPsDifferent | 16 x2 | 32 |
| Memory SizeDifferent | 1024 MB x2 | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit x2 | 384 bit |
Graphics Processor
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 280X |
|---|---|---|
| GPU NameDifferent | R700 | Tahiti |
| GPU VariantDifferent | R700 XT(215-0669045) | Tahiti XTL(215-0821065) |
| ArchitectureDifferent | TeraScale | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 55 nm | 28 nm |
| TransistorsDifferent | 956 million | 4,313 million |
| DensityDifferent | 3.7M / mm² | 12.3M / mm² |
| Die SizeDifferent | 256 mm² | 352 mm² |
Graphics Card
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 280X |
|---|---|---|
| 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 | 299 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 79 in our database | 105 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 280X |
|---|---|---|
| GPU ClockDifferent | 750 MHz | N/A |
| Memory ClockDifferent | 900 MHz3.6 Gbps effective | 1500 MHz6 Gbps effective |
| Base ClockDifferent | N/A | 850 MHz |
| Boost ClockDifferent | N/A | 1000 MHz |
Memory
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 280X |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 384 bit |
| BandwidthDifferent | 115.2 GB/s | 288.0 GB/s |
Render Config
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 280X |
|---|---|---|
| Shading UnitsDifferent | 800 | 2048 |
| TMUsDifferent | 40 | 128 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 10 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 256 KB | 768 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 280X |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 30.00 GTexel/s | 128.0 GTexel/s |
| FP32 (float)Different | 1,200.0 GFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 240.0 GFLOPS (1:5) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 280X |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 267 mm10.5 inches | 275 mm10.8 inches |
| HeightDifferent | 111 mm4.4 inches | 109 mm4.3 inches |
| WidthDifferent | 38 mm1.5 inches | 36 mm1.4 inches |
| TDPDifferent | 286 W | 250 W |
| Suggested PSU | 600 W | 600 W |
| OutputsDifferent | 2x DVI1x S-Video | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-B50937-00 | C386 |
Graphics Features
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon R9 280X |
|---|---|---|
| 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
48
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 280X
Compare AMD Radeon R9 280X with other GPUs of similar performance
AMD Radeon R9 280X vs GeForce GTX 1650
GeForce GTX 1650 Performance116%
GeForce GTX 1650 is 16% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs Radeon RX 6400
Radeon RX 6400 Performance114%
Radeon RX 6400 is 14% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs Arc A380
Arc A380 Performance113%
Arc A380 is 13% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs GeForce GTX 780
GeForce GTX 780 Performance112%
GeForce GTX 780 is 12% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance102%
Radeon HD 7970 GHz Edition is 2% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs GeForce GTX 590
GeForce GTX 590 Performance101%
GeForce GTX 590 is 1% faster than AMD Radeon R9 280X
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