GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 270X
131%
131%
AMD Radeon HD 6950
77%
77%
AMD Radeon R9 270X is approximately 54% faster
Technical Specifications
| Specification | AMD Radeon R9 270X | AMD Radeon HD 6950 |
|---|---|---|
| Graphics ProcessorDifferent | Curacao | Cayman |
| CoresDifferent | 1280 | 1408 |
| TMUsDifferent | 80 | 88 |
| ROPs | 32 | 32 |
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6950 |
|---|---|---|
| GPU NameDifferent | Curacao | Cayman |
| GPU VariantDifferent | Curacao XT(215-0848004) | Cayman PRO(215-0807019) |
| ArchitectureDifferent | GCN 1.0 | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 2,800 million | 2,640 million |
| DensityDifferent | 13.2M / mm² | 6.8M / mm² |
| Die SizeDifferent | 212 mm² | 389 mm² |
| Chip PackageDifferent | FCBGA-1737 | N/A |
Graphics Card
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6950 |
|---|---|---|
| Release DateDifferent | Oct 8th, 2013 | Dec 14th, 2010 |
| GenerationDifferent | Volcanic Islands(R9 200) | Northern Islands(HD 6900) |
| PredecessorDifferent | Sea Islands | Evergreen |
| SuccessorDifferent | Pirate Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 199 USD | 299 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 90 in our database | 111 in our database |
Clock Speeds
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6950 |
|---|---|---|
| Base ClockDifferent | 1000 MHz | N/A |
| Boost ClockDifferent | 1050 MHz | N/A |
| Memory ClockDifferent | 1400 MHz5.6 Gbps effective | 1250 MHz5 Gbps effective |
| GPU ClockDifferent | N/A | 800 MHz |
Memory
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6950 |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 179.2 GB/s | 160.0 GB/s |
Render Config
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6950 |
|---|---|---|
| Shading UnitsDifferent | 1280 | 1408 |
| TMUsDifferent | 80 | 88 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 20 | 22 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6950 |
|---|---|---|
| Pixel RateDifferent | 33.60 GPixel/s | 25.60 GPixel/s |
| Texture RateDifferent | 84.00 GTexel/s | 70.40 GTexel/s |
| FP32 (float)Different | 2.688 TFLOPS | 2.253 TFLOPS |
| FP64 (double)Different | 168.0 GFLOPS (1:16) | 563.2 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6950 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 241 mm9.5 inches | 286 mm11.3 inches |
| HeightDifferent | 109 mm4.3 inches | 126 mm5 inches |
| WidthDifferent | 36 mm1.4 inches | 42 mm1.7 inches |
| TDPDifferent | 180 W | 200 W |
| Suggested PSUDifferent | 450 W | 550 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 2x 6-pin | 2x 6-pin |
| Board NumberDifferent | C631, 109-C63257-00A_02, 109-C63257-12_02 | 109-C21647-00 |
Graphics Features
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6950 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 (1.2) | 1.2 |
| VulkanDifferent | 1.2.170 | N/A |
| Shader ModelDifferent | 6.5 (5.1) | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
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 6950
Compare AMD Radeon HD 6950 with other GPUs of similar performance
AMD Radeon HD 6950 vs Radeon RX 560
Radeon RX 560 Performance119%
Radeon RX 560 is 19% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 570
GeForce GTX 570 Performance117%
GeForce GTX 570 is 17% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 660
GeForce GTX 660 Performance117%
GeForce GTX 660 is 17% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs Radeon R7 370
Radeon R7 370 Performance116%
Radeon R7 370 is 16% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs Radeon HD 6970
Radeon HD 6970 Performance112%
Radeon HD 6970 is 12% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 480
GeForce GTX 480 Performance107%
GeForce GTX 480 is 7% faster than AMD Radeon HD 6950
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