GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4870
AMD Radeon HD 6970
Technical Specifications
| Specification | ATI Radeon HD 4870 | AMD Radeon HD 6970 |
|---|---|---|
| Graphics ProcessorDifferent | RV770 | Cayman |
| CoresDifferent | 800 | 1536 |
| TMUsDifferent | 40 | 96 |
| 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 HD 6970 |
|---|---|---|
| GPU NameDifferent | RV770 | Cayman |
| GPU VariantDifferent | RV770 XT(215-0669049) | Cayman XT(215-0807007) |
| ArchitectureDifferent | TeraScale | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 55 nm | 40 nm |
| TransistorsDifferent | 956 million | 2,640 million |
| DensityDifferent | 3.7M / mm² | 6.8M / mm² |
| Die SizeDifferent | 256 mm² | 389 mm² |
| Chip PackageDifferent | HFCBGA-1492 | N/A |
Graphics Card
| Feature | ATI Radeon HD 4870 | AMD Radeon HD 6970 |
|---|---|---|
| Release DateDifferent | Jun 25th, 2008 | Dec 14th, 2010 |
| GenerationDifferent | Radeon R700(HD 4800) | Northern Islands(HD 6900) |
| PredecessorDifferent | Radeon R600 | Evergreen |
| SuccessorDifferent | Evergreen | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 299 USD | 369 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 135 in our database | 80 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4870 | AMD Radeon HD 6970 |
|---|---|---|
| GPU ClockDifferent | 750 MHz | 880 MHz |
| Memory ClockDifferent | 900 MHz3.6 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | ATI Radeon HD 4870 | AMD Radeon HD 6970 |
|---|---|---|
| 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 HD 6970 |
|---|---|---|
| Shading UnitsDifferent | 800 | 1536 |
| TMUsDifferent | 40 | 96 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 10 | 24 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 256 KB | 512 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4870 | AMD Radeon HD 6970 |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 28.16 GPixel/s |
| Texture RateDifferent | 30.00 GTexel/s | 84.48 GTexel/s |
| FP32 (float)Different | 1,200.0 GFLOPS | 2.703 TFLOPS |
| FP64 (double)Different | 240.0 GFLOPS (1:5) | 675.8 GFLOPS (1:4) |
Board Design
| Feature | ATI Radeon HD 4870 | AMD Radeon HD 6970 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 241 mm9.5 inches | 286 mm11.3 inches |
| HeightDifferent | 111 mm4.4 inches | 126 mm5 inches |
| WidthDifferent | 40 mm1.6 inches | 42 mm1.7 inches |
| TDPDifferent | 150 W | 250 W |
| Suggested PSUDifferent | 450 W | 600 W |
| OutputsDifferent | 2x DVI1x S-Video | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 6-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-B50731-10 | 109-C20047-00 |
Graphics Features
| Feature | ATI Radeon HD 4870 | AMD Radeon HD 6970 |
|---|---|---|
| DirectXDifferent | 10.1 (10_1) | 11.2 (11_0) |
| OpenGLDifferent | 3.3 | 4.4 |
| OpenCLDifferent | 1.1 | 1.2 |
| Vulkan | N/A | N/A |
| Shader ModelDifferent | 4.1 | 5.0 |
Comparison Summary
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 is 20% faster than ATI Radeon HD 4870
ATI Radeon HD 4870 vs Radeon HD 4890
Radeon HD 4890 is 16% faster than ATI Radeon HD 4870
ATI Radeon HD 4870 vs Radeon HD 6790
Radeon HD 6790 is 14% faster than ATI Radeon HD 4870
ATI Radeon HD 4870 vs Radeon HD 5830
Radeon HD 5830 is 8% faster than ATI Radeon HD 4870
ATI Radeon HD 4870 vs GeForce GTX 650
GeForce GTX 650 is 2% faster than ATI Radeon HD 4870
ATI Radeon HD 4870 vs GeForce GTX 550 Ti
GeForce GTX 550 Ti is 1% faster than ATI Radeon HD 4870
More Comparisons with AMD Radeon HD 6970
Compare AMD Radeon HD 6970 with other GPUs of similar performance
AMD Radeon HD 6970 vs GeForce GTX 1050
GeForce GTX 1050 is 19% faster than AMD Radeon HD 6970
AMD Radeon HD 6970 vs GeForce GTX 760
GeForce GTX 760 is 18% faster than AMD Radeon HD 6970
AMD Radeon HD 6970 vs GeForce GTX 580
GeForce GTX 580 is 18% faster than AMD Radeon HD 6970
AMD Radeon HD 6970 vs GeForce GTX 660 Ti
GeForce GTX 660 Ti is 18% faster than AMD Radeon HD 6970
AMD Radeon HD 6970 vs Radeon R9 270X
Radeon R9 270X is 16% faster than AMD Radeon HD 6970
AMD Radeon HD 6970 vs GeForce GTX 950
GeForce GTX 950 is 13% faster than AMD Radeon HD 6970

