GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7970
140%
140%
AMD Radeon R9 270X
81%
81%
AMD Radeon HD 7970 is approximately 59% faster
Technical Specifications
| Specification | AMD Radeon HD 7970 | AMD Radeon R9 270X |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Curacao |
| CoresDifferent | 2048 | 1280 |
| TMUsDifferent | 128 | 80 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 3 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 270X |
|---|---|---|
| GPU NameDifferent | Tahiti | Curacao |
| GPU VariantDifferent | Tahiti XT(215-0821060) | Curacao XT(215-0848004) |
| Architecture | GCN 1.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 4,313 million | 2,800 million |
| DensityDifferent | 12.3M / mm² | 13.2M / mm² |
| Die SizeDifferent | 352 mm² | 212 mm² |
| Chip PackageDifferent | N/A | FCBGA-1737 |
Graphics Card
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 270X |
|---|---|---|
| Release DateDifferent | Jan 9th, 2012 | Oct 8th, 2013 |
| AnnouncedDifferent | Dec 22nd, 2011 | N/A |
| GenerationDifferent | Southern Islands(HD 7900) | Volcanic Islands(R9 200) |
| PredecessorDifferent | Northern Islands | Sea Islands |
| SuccessorDifferent | Sea Islands | Pirate Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 549 USD | 199 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 191 in our database | 90 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 270X |
|---|---|---|
| GPU ClockDifferent | 925 MHz | N/A |
| Memory ClockDifferent | 1375 MHz5.5 Gbps effective | 1400 MHz5.6 Gbps effective |
| Base ClockDifferent | N/A | 1000 MHz |
| Boost ClockDifferent | N/A | 1050 MHz |
Memory
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 270X |
|---|---|---|
| Memory SizeDifferent | 3 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 264.0 GB/s | 179.2 GB/s |
Render Config
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 270X |
|---|---|---|
| Shading UnitsDifferent | 2048 | 1280 |
| TMUsDifferent | 128 | 80 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 32 | 20 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 768 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 270X |
|---|---|---|
| Pixel RateDifferent | 29.60 GPixel/s | 33.60 GPixel/s |
| Texture RateDifferent | 118.4 GTexel/s | 84.00 GTexel/s |
| FP32 (float)Different | 3.789 TFLOPS | 2.688 TFLOPS |
| FP64 (double)Different | 947.2 GFLOPS (1:4) | 168.0 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 270X |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 275 mm10.8 inches | 241 mm9.5 inches |
| HeightDifferent | 111 mm4.4 inches | 109 mm4.3 inches |
| WidthDifferent | 38 mm1.5 inches | 36 mm1.4 inches |
| TDPDifferent | 250 W | 180 W |
| Suggested PSUDifferent | 600 W | 450 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 2x 6-pin |
| Board NumberDifferent | 109-C38637-00 | C631, 109-C63257-00A_02, 109-C63257-12_02 |
Graphics Features
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 270X |
|---|---|---|
| DirectX | 12 (11_1) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 (1.2) | 2.1 (1.2) |
| Vulkan | 1.2.170 | 1.2.170 |
| Shader Model | 6.5 (5.1) | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
50
Detailed Features
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 Performance113%
Radeon HD 7970 GHz Edition is 13% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs GeForce GTX 590
GeForce GTX 590 Performance113%
GeForce GTX 590 is 13% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs Radeon R9 280X
Radeon R9 280X Performance111%
Radeon R9 280X is 11% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs Radeon HD 6990
Radeon HD 6990 Performance109%
Radeon HD 6990 is 9% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti Performance103%
GeForce GTX 1050 Ti is 3% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs GeForce GTX 680
GeForce GTX 680 Performance101%
GeForce GTX 680 is 1% faster than AMD Radeon HD 7970
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More Comparisons with AMD Radeon R9 270X
Compare AMD Radeon R9 270X with other GPUs of similar performance
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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