GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 390
385%
385%
AMD Radeon HD 7770 GHz Edition
76%
76%
AMD Radeon R9 390 is approximately 309% faster
Technical Specifications
| Specification | AMD Radeon R9 390 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Graphics ProcessorDifferent | Grenada | Cape Verde |
| CoresDifferent | 2560 | 640 |
| TMUsDifferent | 160 | 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 390 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| GPU NameDifferent | Grenada | Cape Verde |
| GPU VariantDifferent | Grenada PRO(215-0880030) | 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 390 | 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 | 329 USD | 159 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 35 in our database | 97 in our database |
Clock Speeds
| Feature | AMD Radeon R9 390 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| GPU Clock | 1000 MHz | 1000 MHz |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1125 MHz4.5 Gbps effective |
Memory
| Feature | AMD Radeon R9 390 | 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 390 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Shading UnitsDifferent | 2560 | 640 |
| TMUsDifferent | 160 | 40 |
| ROPsDifferent | 64 | 16 |
| Compute UnitsDifferent | 40 | 10 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 256 KB |
Theoretical Performance
| Feature | AMD Radeon R9 390 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Pixel RateDifferent | 64.00 GPixel/s | 16.00 GPixel/s |
| Texture RateDifferent | 160.0 GTexel/s | 40.00 GTexel/s |
| FP32 (float)Different | 5.120 TFLOPS | 1,280.0 GFLOPS |
| FP64 (double)Different | 640.0 GFLOPS (1:8) | 80.00 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon R9 390 | 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 | 109-C44157-00C, C468 |
Graphics Features
| Feature | AMD Radeon R9 390 | 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
More Comparisons with AMD Radeon R9 390
Compare AMD Radeon R9 390 with other GPUs of similar performance
AMD Radeon R9 390 vs Radeon R9 FURY
Radeon R9 FURY Performance120%
Radeon R9 FURY is 20% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs GeForce GTX 980
GeForce GTX 980 Performance118%
GeForce GTX 980 is 18% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance117%
GeForce GTX 1650 SUPER is 17% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs Radeon RX 6500 XT
Radeon RX 6500 XT Performance116%
Radeon RX 6500 XT is 16% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs Radeon RX 5500 XT
Radeon RX 5500 XT Performance115%
Radeon RX 5500 XT is 15% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs Radeon RX 580
Radeon RX 580 Performance114%
Radeon RX 580 is 14% faster than AMD Radeon R9 390
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More Comparisons with AMD Radeon HD 7770 GHz Edition
Compare AMD Radeon HD 7770 GHz Edition with other GPUs of similar performance
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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