GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 390
163%
163%
AMD Radeon HD 7970
76%
76%
AMD Radeon R9 390 is approximately 87% faster
Technical Specifications
| Specification | AMD Radeon R9 390 | AMD Radeon HD 7970 |
|---|---|---|
| Graphics ProcessorDifferent | Grenada | Tahiti |
| CoresDifferent | 2560 | 2048 |
| TMUsDifferent | 160 | 128 |
| ROPsDifferent | 64 | 32 |
| Memory SizeDifferent | 8 GB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 512 bit | 384 bit |
Graphics Processor
| Feature | AMD Radeon R9 390 | AMD Radeon HD 7970 |
|---|---|---|
| GPU NameDifferent | Grenada | Tahiti |
| GPU VariantDifferent | Grenada PRO(215-0880030) | Tahiti XT(215-0821060) |
| ArchitectureDifferent | GCN 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 6,200 million | 4,313 million |
| DensityDifferent | 14.2M / mm² | 12.3M / mm² |
| Die SizeDifferent | 438 mm² | 352 mm² |
Graphics Card
| Feature | AMD Radeon R9 390 | AMD Radeon HD 7970 |
|---|---|---|
| Release DateDifferent | Jun 18th, 2015 | Jan 9th, 2012 |
| GenerationDifferent | Pirate Islands(R9 300) | Southern Islands(HD 7900) |
| PredecessorDifferent | Volcanic Islands | Northern Islands |
| SuccessorDifferent | Arctic Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 329 USD | 549 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 35 in our database | 191 in our database |
| AnnouncedDifferent | N/A | Dec 22nd, 2011 |
Clock Speeds
| Feature | AMD Radeon R9 390 | AMD Radeon HD 7970 |
|---|---|---|
| GPU ClockDifferent | 1000 MHz | 925 MHz |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | AMD Radeon R9 390 | AMD Radeon HD 7970 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 512 bit | 384 bit |
| BandwidthDifferent | 384.0 GB/s | 264.0 GB/s |
Render Config
| Feature | AMD Radeon R9 390 | AMD Radeon HD 7970 |
|---|---|---|
| Shading UnitsDifferent | 2560 | 2048 |
| TMUsDifferent | 160 | 128 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 40 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 768 KB |
Theoretical Performance
| Feature | AMD Radeon R9 390 | AMD Radeon HD 7970 |
|---|---|---|
| Pixel RateDifferent | 64.00 GPixel/s | 29.60 GPixel/s |
| Texture RateDifferent | 160.0 GTexel/s | 118.4 GTexel/s |
| FP32 (float)Different | 5.120 TFLOPS | 3.789 TFLOPS |
| FP64 (double)Different | 640.0 GFLOPS (1:8) | 947.2 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon R9 390 | AMD Radeon HD 7970 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| Length | 275 mm10.8 inches | 275 mm10.8 inches |
| HeightDifferent | 109 mm4.3 inches | 111 mm4.4 inches |
| WidthDifferent | 36 mm1.4 inches | 38 mm1.5 inches |
| TDPDifferent | 275 W | 250 W |
| Suggested PSU | 600 W | 600 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-C67157-00_02, C679 | 109-C38637-00 |
Graphics Features
| Feature | AMD Radeon R9 390 | AMD Radeon HD 7970 |
|---|---|---|
| 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 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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