GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7970
76%
76%
AMD Radeon R9 390
163%
163%
AMD Radeon R9 390 is approximately 87% faster
Technical Specifications
| Specification | AMD Radeon HD 7970 | AMD Radeon R9 390 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Grenada |
| CoresDifferent | 2048 | 2560 |
| TMUsDifferent | 128 | 160 |
| ROPsDifferent | 32 | 64 |
| Memory SizeDifferent | 3 GB | 8 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit | 512 bit |
Graphics Processor
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 390 |
|---|---|---|
| GPU NameDifferent | Tahiti | Grenada |
| GPU VariantDifferent | Tahiti XT(215-0821060) | Grenada PRO(215-0880030) |
| ArchitectureDifferent | GCN 1.0 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 4,313 million | 6,200 million |
| DensityDifferent | 12.3M / mm² | 14.2M / mm² |
| Die SizeDifferent | 352 mm² | 438 mm² |
Graphics Card
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 390 |
|---|---|---|
| Release DateDifferent | Jan 9th, 2012 | Jun 18th, 2015 |
| AnnouncedDifferent | Dec 22nd, 2011 | N/A |
| GenerationDifferent | Southern Islands(HD 7900) | Pirate Islands(R9 300) |
| PredecessorDifferent | Northern Islands | Volcanic Islands |
| SuccessorDifferent | Sea Islands | Arctic Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 549 USD | 329 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 191 in our database | 35 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 390 |
|---|---|---|
| GPU ClockDifferent | 925 MHz | 1000 MHz |
| Memory ClockDifferent | 1375 MHz5.5 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 390 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 8 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 512 bit |
| BandwidthDifferent | 264.0 GB/s | 384.0 GB/s |
Render Config
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 390 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 2560 |
| TMUsDifferent | 128 | 160 |
| ROPsDifferent | 32 | 64 |
| Compute UnitsDifferent | 32 | 40 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 768 KB | 1024 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 390 |
|---|---|---|
| Pixel RateDifferent | 29.60 GPixel/s | 64.00 GPixel/s |
| Texture RateDifferent | 118.4 GTexel/s | 160.0 GTexel/s |
| FP32 (float)Different | 3.789 TFLOPS | 5.120 TFLOPS |
| FP64 (double)Different | 947.2 GFLOPS (1:4) | 640.0 GFLOPS (1:8) |
Board Design
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 390 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| Length | 275 mm10.8 inches | 275 mm10.8 inches |
| HeightDifferent | 111 mm4.4 inches | 109 mm4.3 inches |
| WidthDifferent | 38 mm1.5 inches | 36 mm1.4 inches |
| TDPDifferent | 250 W | 275 W |
| Suggested PSU | 600 W | 600 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-C38637-00 | 109-C67157-00_02, C679 |
Graphics Features
| Feature | AMD Radeon HD 7970 | AMD Radeon R9 390 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.1 (1.2) | 2.1 |
| Vulkan | 1.2.170 | 1.2.170 |
| Shader ModelDifferent | 6.5 (5.1) | 6.5 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
Detailed Features
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
Compare Detailed Specs
AMD Radeon HD 7970 vs GeForce GTX 590
GeForce GTX 590 Performance113%
GeForce GTX 590 is 13% faster than AMD Radeon HD 7970
Compare Detailed Specs
AMD Radeon HD 7970 vs Radeon R9 280X
Radeon R9 280X Performance111%
Radeon R9 280X is 11% faster than AMD Radeon HD 7970
Compare Detailed Specs
AMD Radeon HD 7970 vs Radeon HD 6990
Radeon HD 6990 Performance109%
Radeon HD 6990 is 9% faster than AMD Radeon HD 7970
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon HD 7970 vs GeForce GTX 680
GeForce GTX 680 Performance101%
GeForce GTX 680 is 1% faster than AMD Radeon HD 7970
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon R9 390 vs GeForce GTX 980
GeForce GTX 980 Performance118%
GeForce GTX 980 is 18% faster than AMD Radeon R9 390
Compare Detailed Specs
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
Compare Detailed Specs
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
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon R9 390 vs Radeon RX 580
Radeon RX 580 Performance114%
Radeon RX 580 is 14% faster than AMD Radeon R9 390
Compare Detailed Specs