GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7850
AMD Radeon R9 390
Technical Specifications
| Specification | AMD Radeon HD 7850 | AMD Radeon R9 390 |
|---|---|---|
| Graphics ProcessorDifferent | Pitcairn | Grenada |
| CoresDifferent | 1024 | 2560 |
| TMUsDifferent | 64 | 160 |
| ROPsDifferent | 32 | 64 |
| Memory SizeDifferent | 2 GB | 8 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit | 512 bit |
Graphics Processor
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 390 |
|---|---|---|
| GPU NameDifferent | Pitcairn | Grenada |
| GPU VariantDifferent | Pitcairn PRO(215-0828062) | Grenada PRO(215-0880030) |
| ArchitectureDifferent | GCN 1.0 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 2,800 million | 6,200 million |
| DensityDifferent | 13.2M / mm² | 14.2M / mm² |
| Die SizeDifferent | 212 mm² | 438 mm² |
| Chip PackageDifferent | FCBGA-1737 | N/A |
Graphics Card
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 390 |
|---|---|---|
| Release DateDifferent | Mar 5th, 2012 | Jun 18th, 2015 |
| GenerationDifferent | Southern Islands(HD 7800) | Pirate Islands(R9 300) |
| PredecessorDifferent | Northern Islands | Volcanic Islands |
| SuccessorDifferent | Sea Islands | Arctic Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 249 USD | 329 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 71 in our database | 35 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 390 |
|---|---|---|
| GPU ClockDifferent | 860 MHz | 1000 MHz |
| Memory ClockDifferent | 1200 MHz4.8 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 390 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 8 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 512 bit |
| BandwidthDifferent | 153.6 GB/s | 384.0 GB/s |
Render Config
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 390 |
|---|---|---|
| Shading UnitsDifferent | 1024 | 2560 |
| TMUsDifferent | 64 | 160 |
| ROPsDifferent | 32 | 64 |
| Compute UnitsDifferent | 16 | 40 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 512 KB | 1024 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 390 |
|---|---|---|
| Pixel RateDifferent | 27.52 GPixel/s | 64.00 GPixel/s |
| Texture RateDifferent | 55.04 GTexel/s | 160.0 GTexel/s |
| FP32 (float)Different | 1.761 TFLOPS | 5.120 TFLOPS |
| FP64 (double)Different | 110.1 GFLOPS (1:16) | 640.0 GFLOPS (1:8) |
Board Design
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 390 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 210 mm8.3 inches | 275 mm10.8 inches |
| TDPDifferent | 130 W | 275 W |
| Suggested PSUDifferent | 300 W | 600 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-C40147-00, 109-C40337-00A | 109-C67157-00_02, C679 |
| HeightDifferent | N/A | 109 mm4.3 inches |
| WidthDifferent | N/A | 36 mm1.4 inches |
Graphics Features
| Feature | AMD Radeon HD 7850 | 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
More Comparisons with AMD Radeon HD 7850
Compare AMD Radeon HD 7850 with other GPUs of similar performance
AMD Radeon HD 7850 vs GeForce GTX 950
GeForce GTX 950 is 20% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs Radeon RX 560
Radeon RX 560 is 13% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs GeForce GTX 570
GeForce GTX 570 is 11% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs GeForce GTX 660
GeForce GTX 660 is 11% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs Radeon R7 370
Radeon R7 370 is 10% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs Radeon HD 6970
Radeon HD 6970 is 6% faster than AMD Radeon HD 7850
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 is 20% faster than AMD Radeon R9 390
AMD Radeon R9 390 vs GeForce GTX 980
GeForce GTX 980 is 18% faster than AMD Radeon R9 390
AMD Radeon R9 390 vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER is 17% faster than AMD Radeon R9 390
AMD Radeon R9 390 vs Radeon RX 6500 XT
Radeon RX 6500 XT is 16% faster than AMD Radeon R9 390
AMD Radeon R9 390 vs Radeon RX 5500 XT
Radeon RX 5500 XT is 15% faster than AMD Radeon R9 390
AMD Radeon R9 390 vs Radeon RX 580
Radeon RX 580 is 14% faster than AMD Radeon R9 390

