GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 390X
385%
385%
AMD Radeon HD 7770 GHz Edition
69%
69%
AMD Radeon R9 390X is approximately 316% faster
Technical Specifications
| Specification | AMD Radeon R9 390X | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Graphics ProcessorDifferent | Grenada | Cape Verde |
| CoresDifferent | 2816 | 640 |
| TMUsDifferent | 176 | 40 |
| ROPsDifferent | 64 | 16 |
| Memory SizeDifferent | 8 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 512 bit | 128 bit |
Graphics Processor
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| GPU NameDifferent | Grenada | Cape Verde |
| GPU VariantDifferent | Grenada XT(215-0880004) | Cape Verde XT(215-0825117) |
| ArchitectureDifferent | GCN 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 6,200 million | 1,500 million |
| DensityDifferent | 14.2M / mm² | 12.2M / mm² |
| Die SizeDifferent | 438 mm² | 123 mm² |
| Chip PackageDifferent | N/A | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Release DateDifferent | Jun 18th, 2015 | Feb 15th, 2012 |
| GenerationDifferent | Pirate Islands(R9 300) | Southern Islands(HD 7700) |
| PredecessorDifferent | Volcanic Islands | Northern Islands |
| SuccessorDifferent | Arctic Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 429 USD | 159 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 60 in our database | 97 in our database |
Clock Speeds
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| GPU ClockDifferent | 1050 MHz | 1000 MHz |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1125 MHz4.5 Gbps effective |
Memory
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Memory SizeDifferent | 8 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 512 bit | 128 bit |
| BandwidthDifferent | 384.0 GB/s | 72.00 GB/s |
Render Config
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Shading UnitsDifferent | 2816 | 640 |
| TMUsDifferent | 176 | 40 |
| ROPsDifferent | 64 | 16 |
| Compute UnitsDifferent | 44 | 10 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 256 KB |
Theoretical Performance
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Pixel RateDifferent | 67.20 GPixel/s | 16.00 GPixel/s |
| Texture RateDifferent | 184.8 GTexel/s | 40.00 GTexel/s |
| FP32 (float)Different | 5.914 TFLOPS | 1,280.0 GFLOPS |
| FP64 (double)Different | 739.2 GFLOPS (1:8) | 80.00 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 275 mm10.8 inches | 210 mm8.3 inches |
| HeightDifferent | 109 mm4.3 inches | N/A |
| WidthDifferent | 36 mm1.4 inches | N/A |
| TDPDifferent | 275 W | 80 W |
| Suggested PSUDifferent | 600 W | 250 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 1x 6-pin |
| Board NumberDifferent | 109-C67157-00_02, C679-37 | 109-C44157-00C, C468 |
Graphics Features
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| 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
47
Detailed Features
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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%
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More Comparisons with AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance119%
GeForce GTX 650 Ti is 19% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 5850
Radeon HD 5850 Performance117%
Radeon HD 5850 is 17% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 285
GeForce GTX 285 Performance109%
GeForce GTX 285 is 9% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 6850
Radeon HD 6850 Performance107%
Radeon HD 6850 is 7% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 280
GeForce GTX 280 Performance100%
GeForce GTX 280 is 0% slower than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition Performance100%
Radeon HD 7770 GHz Edition is 0% slower than AMD Radeon HD 7770 GHz Edition
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