GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4770
314%
314%
AMD Radeon HD 6450
32%
32%
ATI Radeon HD 4770 is approximately 282% faster
Technical Specifications
| Specification | ATI Radeon HD 4770 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | RV740 | Caicos |
| CoresDifferent | 640 | 160 |
| TMUsDifferent | 32 | 8 |
| ROPsDifferent | 16 | 4 |
| Memory Size | 512 MB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 128 bit | 64 bit |
Graphics Processor
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | RV740 | Caicos |
| GPU VariantDifferent | RV740 XT(215-0727019) | Caicos PRO |
| ArchitectureDifferent | TeraScale | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| TransistorsDifferent | 826 million | 370 million |
| DensityDifferent | 6.0M / mm² | 5.5M / mm² |
| Die SizeDifferent | 137 mm² | 67 mm² |
| Chip PackageDifferent | N/A | FCBGA-631 |
Graphics Card
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Apr 28th, 2009 | Apr 7th, 2011 |
| GenerationDifferent | Radeon R700(HD 4700) | Northern Islands(HD 6400) |
| PredecessorDifferent | Radeon R600 | Evergreen |
| SuccessorDifferent | Evergreen | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 109 USD | 55 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 82 in our database | 14 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6450 |
|---|---|---|
| GPU ClockDifferent | 750 MHz | 625 MHz |
| Memory ClockDifferent | 800 MHz3.2 Gbps effective | 500 MHz1000 Mbps effective |
Memory
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6450 |
|---|---|---|
| Memory Size | 512 MB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 128 bit | 64 bit |
| BandwidthDifferent | 51.20 GB/s | 8.000 GB/s |
Render Config
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 640 | 160 |
| TMUsDifferent | 32 | 8 |
| ROPsDifferent | 16 | 4 |
| Compute UnitsDifferent | 8 | 2 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 128 KB | 128 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 24.00 GTexel/s | 5.000 GTexel/s |
| FP32 (float)Different | 960.0 GFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 192.0 GFLOPS (1:5) | N/A |
Board Design
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 203 mm8 inches | 168 mm6.6 inches |
| TDPDifferent | 80 W | 18 W |
| Suggested PSUDifferent | 250 W | 200 W |
| OutputsDifferent | 2x DVI1x S-Video | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 1x 6-pin | None |
| Board NumberDifferent | B743 | 109-C26037-00A |
Graphics Features
| Feature | ATI Radeon HD 4770 | 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 4770
Compare ATI Radeon HD 4770 with other GPUs of similar performance
ATI Radeon HD 4770 vs Radeon HD 5750
Radeon HD 5750 Performance115%
Radeon HD 5750 is 15% faster than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs GeForce GTS 450
GeForce GTS 450 Performance111%
GeForce GTS 450 is 11% faster than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs GeForce GTS 250
GeForce GTS 250 Performance108%
GeForce GTS 250 is 8% faster than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs Radeon HD 4850
Radeon HD 4850 Performance105%
Radeon HD 4850 is 5% faster than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs Radeon HD 4770
Radeon HD 4770 Performance100%
Radeon HD 4770 is 0% slower than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs Radeon HD 4830
Radeon HD 4830 Performance94%
Radeon HD 4830 is 6% slower than ATI Radeon HD 4770
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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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