GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 390X
250%
250%
AMD Radeon HD 7850
40%
40%
AMD Radeon R9 390X is approximately 210% faster
Technical Specifications
| Specification | AMD Radeon R9 390X | AMD Radeon HD 7850 |
|---|---|---|
| Graphics ProcessorDifferent | Grenada | Pitcairn |
| CoresDifferent | 2816 | 1024 |
| TMUsDifferent | 176 | 64 |
| ROPsDifferent | 64 | 32 |
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 512 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7850 |
|---|---|---|
| GPU NameDifferent | Grenada | Pitcairn |
| GPU VariantDifferent | Grenada XT(215-0880004) | Pitcairn PRO(215-0828062) |
| ArchitectureDifferent | GCN 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 6,200 million | 2,800 million |
| DensityDifferent | 14.2M / mm² | 13.2M / mm² |
| Die SizeDifferent | 438 mm² | 212 mm² |
| Chip PackageDifferent | N/A | FCBGA-1737 |
Graphics Card
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7850 |
|---|---|---|
| Release DateDifferent | Jun 18th, 2015 | Mar 5th, 2012 |
| GenerationDifferent | Pirate Islands(R9 300) | Southern Islands(HD 7800) |
| PredecessorDifferent | Volcanic Islands | Northern Islands |
| SuccessorDifferent | Arctic Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 429 USD | 249 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 60 in our database | 71 in our database |
Clock Speeds
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7850 |
|---|---|---|
| GPU ClockDifferent | 1050 MHz | 860 MHz |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1200 MHz4.8 Gbps effective |
Memory
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7850 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 512 bit | 256 bit |
| BandwidthDifferent | 384.0 GB/s | 153.6 GB/s |
Render Config
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7850 |
|---|---|---|
| Shading UnitsDifferent | 2816 | 1024 |
| TMUsDifferent | 176 | 64 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 44 | 16 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7850 |
|---|---|---|
| Pixel RateDifferent | 67.20 GPixel/s | 27.52 GPixel/s |
| Texture RateDifferent | 184.8 GTexel/s | 55.04 GTexel/s |
| FP32 (float)Different | 5.914 TFLOPS | 1.761 TFLOPS |
| FP64 (double)Different | 739.2 GFLOPS (1:8) | 110.1 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7850 |
|---|---|---|
| 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 | 130 W |
| Suggested PSUDifferent | 600 W | 300 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-C40147-00, 109-C40337-00A |
Graphics Features
| Feature | AMD Radeon R9 390X | AMD Radeon HD 7850 |
|---|---|---|
| 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 390X
Compare AMD Radeon R9 390X with other GPUs of similar performance
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%
GeForce GTX 1650 SUPER is 7% faster than AMD Radeon R9 390X
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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 Performance120%
GeForce GTX 950 is 20% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon RX 560
Radeon RX 560 Performance113%
Radeon RX 560 is 13% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs GeForce GTX 570
GeForce GTX 570 Performance111%
GeForce GTX 570 is 11% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs GeForce GTX 660
GeForce GTX 660 Performance111%
GeForce GTX 660 is 11% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon R7 370
Radeon R7 370 Performance110%
Radeon R7 370 is 10% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon HD 6970
Radeon HD 6970 Performance106%
Radeon HD 6970 is 6% faster than AMD Radeon HD 7850
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