GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4870 X2
AMD Radeon HD 7970
Technical Specifications
| Specification | ATI Radeon HD 4870 X2 | AMD Radeon HD 7970 |
|---|---|---|
| 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 HD 7970 |
|---|---|---|
| GPU NameDifferent | R700 | Tahiti |
| GPU VariantDifferent | R700 XT(215-0669045) | Tahiti XT(215-0821060) |
| 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 HD 7970 |
|---|---|---|
| Release DateDifferent | Aug 12th, 2008 | Jan 9th, 2012 |
| GenerationDifferent | Radeon R700(HD 4800) | Southern Islands(HD 7900) |
| PredecessorDifferent | Radeon R600 | Northern Islands |
| SuccessorDifferent | Evergreen | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 550 USD | 549 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 79 in our database | 191 in our database |
| AnnouncedDifferent | N/A | Dec 22nd, 2011 |
Clock Speeds
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon HD 7970 |
|---|---|---|
| GPU ClockDifferent | 750 MHz | 925 MHz |
| Memory ClockDifferent | 900 MHz3.6 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon HD 7970 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 384 bit |
| BandwidthDifferent | 115.2 GB/s | 264.0 GB/s |
Render Config
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon HD 7970 |
|---|---|---|
| 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 HD 7970 |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 29.60 GPixel/s |
| Texture RateDifferent | 30.00 GTexel/s | 118.4 GTexel/s |
| FP32 (float)Different | 1,200.0 GFLOPS | 3.789 TFLOPS |
| FP64 (double)Different | 240.0 GFLOPS (1:5) | 947.2 GFLOPS (1:4) |
Board Design
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon HD 7970 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 267 mm10.5 inches | 275 mm10.8 inches |
| Height | 111 mm4.4 inches | 111 mm4.4 inches |
| Width | 38 mm1.5 inches | 38 mm1.5 inches |
| TDPDifferent | 286 W | 250 W |
| Suggested PSU | 600 W | 600 W |
| OutputsDifferent | 2x DVI1x S-Video | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-B50937-00 | 109-C38637-00 |
Graphics Features
| Feature | ATI Radeon HD 4870 X2 | AMD Radeon HD 7970 |
|---|---|---|
| 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
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 is 20% faster than ATI Radeon HD 4870 X2
ATI Radeon HD 4870 X2 vs GeForce GTX 660
GeForce GTX 660 is 19% faster than ATI Radeon HD 4870 X2
ATI Radeon HD 4870 X2 vs Radeon R7 370
Radeon R7 370 is 19% faster than ATI Radeon HD 4870 X2
ATI Radeon HD 4870 X2 vs Radeon HD 6970
Radeon HD 6970 is 15% faster than ATI Radeon HD 4870 X2
ATI Radeon HD 4870 X2 vs GeForce GTX 480
GeForce GTX 480 is 10% faster than ATI Radeon HD 4870 X2
ATI Radeon HD 4870 X2 vs Radeon HD 7850
Radeon HD 7850 is 8% faster than ATI Radeon HD 4870 X2
More Comparisons with AMD Radeon HD 7970
Compare AMD Radeon HD 7970 with other GPUs of similar performance
AMD Radeon HD 7970 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition is 13% faster than AMD Radeon HD 7970
AMD Radeon HD 7970 vs GeForce GTX 590
GeForce GTX 590 is 13% faster than AMD Radeon HD 7970
AMD Radeon HD 7970 vs Radeon R9 280X
Radeon R9 280X is 11% faster than AMD Radeon HD 7970
AMD Radeon HD 7970 vs Radeon HD 6990
Radeon HD 6990 is 9% faster than AMD Radeon HD 7970
AMD Radeon HD 7970 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti is 3% faster than AMD Radeon HD 7970
AMD Radeon HD 7970 vs GeForce GTX 680
GeForce GTX 680 is 1% faster than AMD Radeon HD 7970

