GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4850
330%
330%
AMD Radeon HD 6450
30%
30%
ATI Radeon HD 4850 is approximately 300% faster
Technical Specifications
| Specification | ATI Radeon HD 4850 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | RV770 | Caicos |
| CoresDifferent | 800 | 160 |
| TMUsDifferent | 40 | 8 |
| ROPsDifferent | 16 | 4 |
| Memory Size | 512 MB | 512 MB |
| Memory Type | GDDR3 | GDDR3 |
| Bus WidthDifferent | 256 bit | 64 bit |
Graphics Processor
| Feature | ATI Radeon HD 4850 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | RV770 | Caicos |
| GPU VariantDifferent | RV770 PRO(215-0669065) | Caicos PRO |
| ArchitectureDifferent | TeraScale | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 55 nm | 40 nm |
| TransistorsDifferent | 956 million | 370 million |
| DensityDifferent | 3.7M / mm² | 5.5M / mm² |
| Die SizeDifferent | 256 mm² | 67 mm² |
| Chip PackageDifferent | HFCBGA-1492 | FCBGA-631 |
Graphics Card
| Feature | ATI Radeon HD 4850 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Jun 25th, 2008 | Apr 7th, 2011 |
| GenerationDifferent | Radeon R700(HD 4800) | Northern Islands(HD 6400) |
| PredecessorDifferent | Radeon R600 | Evergreen |
| SuccessorDifferent | Evergreen | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 199 USD | 55 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 127 in our database | 14 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4850 | AMD Radeon HD 6450 |
|---|---|---|
| GPU Clock | 625 MHz | 625 MHz |
| Memory ClockDifferent | 993 MHz1986 Mbps effective | 500 MHz1000 Mbps effective |
Memory
| Feature | ATI Radeon HD 4850 | AMD Radeon HD 6450 |
|---|---|---|
| Memory Size | 512 MB | 512 MB |
| Memory Type | GDDR3 | GDDR3 |
| Memory BusDifferent | 256 bit | 64 bit |
| BandwidthDifferent | 63.55 GB/s | 8.000 GB/s |
Render Config
| Feature | ATI Radeon HD 4850 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 800 | 160 |
| TMUsDifferent | 40 | 8 |
| ROPsDifferent | 16 | 4 |
| Compute UnitsDifferent | 10 | 2 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 256 KB | 128 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4850 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 10.00 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 25.00 GTexel/s | 5.000 GTexel/s |
| FP32 (float)Different | 1,000.0 GFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 200.0 GFLOPS (1:5) | N/A |
Board Design
| Feature | ATI Radeon HD 4850 | AMD Radeon HD 6450 |
|---|---|---|
| Slot Width | Single-slot | Single-slot |
| LengthDifferent | 246 mm9.7 inches | 168 mm6.6 inches |
| TDPDifferent | 110 W | 18 W |
| Suggested PSUDifferent | 300 W | 200 W |
| OutputsDifferent | 2x DVI1x S-Video | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 1x 6-pin | None |
| Board NumberDifferent | 109-B50131-00 | 109-C26037-00A |
Graphics Features
| Feature | ATI Radeon HD 4850 | AMD Radeon HD 6450 |
|---|---|---|
| DirectXDifferent | 10.1 (10_1) | 11.2 (11_0) |
| OpenGLDifferent | 3.3 | 4.4 |
| OpenCLDifferent | 1.1 | 1.2 |
| Vulkan | N/A | N/A |
| Shader ModelDifferent | 4.1 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
45
Detailed Features
More Comparisons with ATI Radeon HD 4850
Compare ATI Radeon HD 4850 with other GPUs of similar performance
ATI Radeon HD 4850 vs Radeon HD 5750
Radeon HD 5750 Performance109%
Radeon HD 5750 is 9% faster than ATI Radeon HD 4850
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ATI Radeon HD 4850 vs GeForce GTS 450
GeForce GTS 450 Performance105%
GeForce GTS 450 is 5% faster than ATI Radeon HD 4850
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ATI Radeon HD 4850 vs GeForce GTS 250
GeForce GTS 250 Performance102%
GeForce GTS 250 is 2% faster than ATI Radeon HD 4850
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ATI Radeon HD 4850 vs Radeon HD 4850
Radeon HD 4850 Performance100%
Radeon HD 4850 is 0% slower than ATI Radeon HD 4850
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ATI Radeon HD 4850 vs Radeon HD 4770
Radeon HD 4770 Performance95%
Radeon HD 4770 is 5% slower than ATI Radeon HD 4850
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ATI Radeon HD 4850 vs Radeon HD 4830
Radeon HD 4830 Performance89%
Radeon HD 4830 is 11% slower than ATI Radeon HD 4850
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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
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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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