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