GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7850
813%
813%
AMD Radeon HD 6450
12%
12%
AMD Radeon HD 7850 is approximately 801% faster
Technical Specifications
| Specification | AMD Radeon HD 7850 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Pitcairn | Caicos |
| CoresDifferent | 1024 | 160 |
| TMUsDifferent | 64 | 8 |
| ROPsDifferent | 32 | 4 |
| Memory SizeDifferent | 2 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 256 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Pitcairn | Caicos |
| GPU VariantDifferent | Pitcairn PRO(215-0828062) | Caicos PRO |
| ArchitectureDifferent | GCN 1.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 2,800 million | 370 million |
| DensityDifferent | 13.2M / mm² | 5.5M / mm² |
| Die SizeDifferent | 212 mm² | 67 mm² |
| Chip PackageDifferent | FCBGA-1737 | FCBGA-631 |
Graphics Card
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Mar 5th, 2012 | Apr 7th, 2011 |
| GenerationDifferent | Southern Islands(HD 7800) | Northern Islands(HD 6400) |
| PredecessorDifferent | Northern Islands | Evergreen |
| SuccessorDifferent | Sea Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 249 USD | 55 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 71 in our database | 14 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6450 |
|---|---|---|
| GPU ClockDifferent | 860 MHz | 625 MHz |
| Memory ClockDifferent | 1200 MHz4.8 Gbps effective | 500 MHz1000 Mbps effective |
Memory
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 256 bit | 64 bit |
| BandwidthDifferent | 153.6 GB/s | 8.000 GB/s |
Render Config
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 1024 | 160 |
| TMUsDifferent | 64 | 8 |
| ROPsDifferent | 32 | 4 |
| Compute UnitsDifferent | 16 | 2 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 512 KB | 128 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 27.52 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 55.04 GTexel/s | 5.000 GTexel/s |
| FP32 (float)Different | 1.761 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 110.1 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 210 mm8.3 inches | 168 mm6.6 inches |
| TDPDifferent | 130 W | 18 W |
| Suggested PSUDifferent | 300 W | 200 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 1x 6-pin | None |
| Board NumberDifferent | 109-C40147-00, 109-C40337-00A | 109-C26037-00A |
Graphics Features
| Feature | AMD Radeon HD 7850 | AMD Radeon HD 6450 |
|---|---|---|
| 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
7
Specifications Compared
8
Feature Categories
45
Detailed Features
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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More Comparisons with AMD Radeon HD 6450
Compare AMD Radeon HD 6450 with other GPUs of similar performance
AMD Radeon HD 6450 vs GeForce GT 520
GeForce GT 520 Performance106%
GeForce GT 520 is 6% faster than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 5450
Radeon HD 5450 Performance85%
Radeon HD 5450 is 15% slower than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
Compare Detailed Specs
AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
Compare Detailed Specs