GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7850
AMD Radeon HD 6850
Technical Specifications
| Specification | AMD Radeon HD 7850 | AMD Radeon HD 6850 |
|---|---|---|
| Graphics ProcessorDifferent | Pitcairn | Barts |
| CoresDifferent | 1024 | 960 |
| TMUsDifferent | 64 | 48 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6850 |
|---|---|---|
| GPU NameDifferent | Pitcairn | Barts |
| GPU VariantDifferent | Pitcairn PRO(215-0828062) | Barts PRO(215-0798006) |
| ArchitectureDifferent | GCN 1.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 2,800 million | 1,700 million |
| DensityDifferent | 13.2M / mm² | 6.7M / mm² |
| Die SizeDifferent | 212 mm² | 255 mm² |
| Chip PackageDifferent | FCBGA-1737 | HFCBGA-1737 |
Graphics Card
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6850 |
|---|---|---|
| Release DateDifferent | Mar 5th, 2012 | Oct 21st, 2010 |
| GenerationDifferent | Southern Islands(HD 7800) | Northern Islands(HD 6800) |
| PredecessorDifferent | Northern Islands | Evergreen |
| SuccessorDifferent | Sea Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 249 USD | 179 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 71 in our database | 105 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6850 |
|---|---|---|
| GPU ClockDifferent | 860 MHz | 775 MHz |
| Memory ClockDifferent | 1200 MHz4.8 Gbps effective | 1000 MHz4 Gbps effective |
Memory
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6850 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 153.6 GB/s | 128.0 GB/s |
Render Config
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6850 |
|---|---|---|
| Shading UnitsDifferent | 1024 | 960 |
| TMUsDifferent | 64 | 48 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 16 | 12 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6850 |
|---|---|---|
| Pixel RateDifferent | 27.52 GPixel/s | 24.80 GPixel/s |
| Texture RateDifferent | 55.04 GTexel/s | 37.20 GTexel/s |
| FP32 (float)Different | 1.761 TFLOPS | 1,488.0 GFLOPS |
| FP64 (double)Different | 110.1 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 210 mm8.3 inches | 198 mm7.8 inches |
| TDPDifferent | 130 W | 127 W |
| Suggested PSU | 300 W | 300 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 |
| Power Connectors | 1x 6-pin | 1x 6-pin |
| Board NumberDifferent | 109-C40147-00, 109-C40337-00A | 109-C22301-00B |
Graphics Features
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6850 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 (1.2) | 1.2 |
| VulkanDifferent | 1.2.170 | N/A |
| Shader ModelDifferent | 6.5 (5.1) | 5.0 |
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 HD 6850
Compare AMD Radeon HD 6850 with other GPUs of similar performance
AMD Radeon HD 6850 vs GeForce GTX 470
GeForce GTX 470 is 16% faster than AMD Radeon HD 6850
AMD Radeon HD 6850 vs GeForce GTX 650 Ti
GeForce GTX 650 Ti is 11% faster than AMD Radeon HD 6850
AMD Radeon HD 6850 vs Radeon HD 5850
Radeon HD 5850 is 9% faster than AMD Radeon HD 6850
AMD Radeon HD 6850 vs GeForce GTX 285
GeForce GTX 285 is 2% faster than AMD Radeon HD 6850
AMD Radeon HD 6850 vs Radeon HD 6850
Radeon HD 6850 is 0% slower than AMD Radeon HD 6850
AMD Radeon HD 6850 vs GeForce GTX 280
GeForce GTX 280 is 6% slower than AMD Radeon HD 6850

