GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 390X
202%
202%
AMD Radeon R9 270X
50%
50%
AMD Radeon R9 390X is approximately 152% faster
Technical Specifications
| Specification | AMD Radeon R9 390X | AMD Radeon R9 270X |
|---|---|---|
| Graphics ProcessorDifferent | Grenada | Curacao |
| CoresDifferent | 2816 | 1280 |
| TMUsDifferent | 176 | 80 |
| ROPsDifferent | 64 | 32 |
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 512 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon R9 390X | AMD Radeon R9 270X |
|---|---|---|
| GPU NameDifferent | Grenada | Curacao |
| GPU VariantDifferent | Grenada XT(215-0880004) | Curacao XT(215-0848004) |
| ArchitectureDifferent | GCN 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 6,200 million | 2,800 million |
| DensityDifferent | 14.2M / mm² | 13.2M / mm² |
| Die SizeDifferent | 438 mm² | 212 mm² |
| Chip PackageDifferent | N/A | FCBGA-1737 |
Graphics Card
| Feature | AMD Radeon R9 390X | AMD Radeon R9 270X |
|---|---|---|
| Release DateDifferent | Jun 18th, 2015 | Oct 8th, 2013 |
| GenerationDifferent | Pirate Islands(R9 300) | Volcanic Islands(R9 200) |
| PredecessorDifferent | Volcanic Islands | Sea Islands |
| SuccessorDifferent | Arctic Islands | Pirate Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 429 USD | 199 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 60 in our database | 90 in our database |
Clock Speeds
| Feature | AMD Radeon R9 390X | AMD Radeon R9 270X |
|---|---|---|
| GPU ClockDifferent | 1050 MHz | N/A |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1400 MHz5.6 Gbps effective |
| Base ClockDifferent | N/A | 1000 MHz |
| Boost ClockDifferent | N/A | 1050 MHz |
Memory
| Feature | AMD Radeon R9 390X | AMD Radeon R9 270X |
|---|---|---|
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 512 bit | 256 bit |
| BandwidthDifferent | 384.0 GB/s | 179.2 GB/s |
Render Config
| Feature | AMD Radeon R9 390X | AMD Radeon R9 270X |
|---|---|---|
| Shading UnitsDifferent | 2816 | 1280 |
| TMUsDifferent | 176 | 80 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 44 | 20 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 390X | AMD Radeon R9 270X |
|---|---|---|
| Pixel RateDifferent | 67.20 GPixel/s | 33.60 GPixel/s |
| Texture RateDifferent | 184.8 GTexel/s | 84.00 GTexel/s |
| FP32 (float)Different | 5.914 TFLOPS | 2.688 TFLOPS |
| FP64 (double)Different | 739.2 GFLOPS (1:8) | 168.0 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon R9 390X | AMD Radeon R9 270X |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 275 mm10.8 inches | 241 mm9.5 inches |
| Height | 109 mm4.3 inches | 109 mm4.3 inches |
| Width | 36 mm1.4 inches | 36 mm1.4 inches |
| TDPDifferent | 275 W | 180 W |
| Suggested PSUDifferent | 600 W | 450 W |
| Outputs | 2x DVI1x HDMI 1.4a1x 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-C67157-00_02, C679-37 | C631, 109-C63257-00A_02, 109-C63257-12_02 |
Graphics Features
| Feature | AMD Radeon R9 390X | AMD Radeon R9 270X |
|---|---|---|
| DirectXDifferent | 12 (12_0) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.1 | 2.1 (1.2) |
| Vulkan | 1.2.170 | 1.2.170 |
| Shader ModelDifferent | 6.5 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
Detailed Features
More Comparisons with AMD Radeon R9 390X
Compare AMD Radeon R9 390X with other GPUs of similar performance
AMD Radeon R9 390X vs Radeon R9 FURY X
Radeon R9 FURY X Performance120%
Radeon R9 FURY X is 20% faster than AMD Radeon R9 390X
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AMD Radeon R9 390X vs GeForce GTX 1660
GeForce GTX 1660 Performance119%
GeForce GTX 1660 is 19% faster than AMD Radeon R9 390X
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AMD Radeon R9 390X vs Radeon RX 590
Radeon RX 590 Performance112%
Radeon RX 590 is 12% faster than AMD Radeon R9 390X
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AMD Radeon R9 390X vs Radeon R9 FURY
Radeon R9 FURY Performance110%
Radeon R9 FURY is 10% faster than AMD Radeon R9 390X
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AMD Radeon R9 390X vs GeForce GTX 980
GeForce GTX 980 Performance108%
GeForce GTX 980 is 8% faster than AMD Radeon R9 390X
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AMD Radeon R9 390X vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance107%
GeForce GTX 1650 SUPER is 7% faster than AMD Radeon R9 390X
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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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