GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4770
25%
25%
AMD Radeon R9 285
394%
394%
AMD Radeon R9 285 is approximately 369% faster
Technical Specifications
| Specification | ATI Radeon HD 4770 | AMD Radeon R9 285 |
|---|---|---|
| Graphics ProcessorDifferent | RV740 | Tonga |
| CoresDifferent | 640 | 1792 |
| TMUsDifferent | 32 | 112 |
| ROPsDifferent | 16 | 32 |
| Memory SizeDifferent | 512 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 128 bit | 256 bit |
Graphics Processor
| Feature | ATI Radeon HD 4770 | AMD Radeon R9 285 |
|---|---|---|
| GPU NameDifferent | RV740 | Tonga |
| GPU VariantDifferent | RV740 XT(215-0727019) | Tonga PRO(215-0851128) |
| ArchitectureDifferent | TeraScale | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 826 million | 5,000 million |
| DensityDifferent | 6.0M / mm² | 13.7M / mm² |
| Die SizeDifferent | 137 mm² | 366 mm² |
Graphics Card
| Feature | ATI Radeon HD 4770 | AMD Radeon R9 285 |
|---|---|---|
| Release DateDifferent | Apr 28th, 2009 | Sep 2nd, 2014 |
| GenerationDifferent | Radeon R700(HD 4700) | Volcanic Islands(R9 200) |
| PredecessorDifferent | Radeon R600 | Sea Islands |
| SuccessorDifferent | Evergreen | Pirate Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 109 USD | 249 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 82 in our database | 59 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4770 | AMD Radeon R9 285 |
|---|---|---|
| GPU ClockDifferent | 750 MHz | 918 MHz |
| Memory ClockDifferent | 800 MHz3.2 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | ATI Radeon HD 4770 | AMD Radeon R9 285 |
|---|---|---|
| Memory SizeDifferent | 512 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 128 bit | 256 bit |
| BandwidthDifferent | 51.20 GB/s | 176.0 GB/s |
Render Config
| Feature | ATI Radeon HD 4770 | AMD Radeon R9 285 |
|---|---|---|
| Shading UnitsDifferent | 640 | 1792 |
| TMUsDifferent | 32 | 112 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 8 | 28 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 128 KB | 512 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4770 | AMD Radeon R9 285 |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 29.38 GPixel/s |
| Texture RateDifferent | 24.00 GTexel/s | 102.8 GTexel/s |
| FP32 (float)Different | 960.0 GFLOPS | 3.290 TFLOPS |
| FP64 (double)Different | 192.0 GFLOPS (1:5) | 205.6 GFLOPS (1:16) |
| FP16 (half)Different | N/A | 3.290 TFLOPS (1:1) |
Board Design
| Feature | ATI Radeon HD 4770 | AMD Radeon R9 285 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 203 mm8 inches | 221 mm8.7 inches |
| TDPDifferent | 80 W | 190 W |
| Suggested PSUDifferent | 250 W | 450 W |
| OutputsDifferent | 2x DVI1x S-Video | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin | 2x 6-pin |
| Board NumberDifferent | B743 | C766 |
| HeightDifferent | N/A | 109 mm4.3 inches |
| WidthDifferent | N/A | 36 mm1.4 inches |
Graphics Features
| Feature | ATI Radeon HD 4770 | AMD Radeon R9 285 |
|---|---|---|
| DirectXDifferent | 10.1 (10_1) | 12 (12_0) |
| OpenGLDifferent | 3.3 | 4.6 |
| OpenCLDifferent | 1.1 | 2.1 |
| VulkanDifferent | N/A | 1.2.170 |
| Shader ModelDifferent | 4.1 | 6.5 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
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
Compare Detailed Specs
ATI Radeon HD 4770 vs GeForce GTS 450
GeForce GTS 450 Performance111%
GeForce GTS 450 is 11% faster than ATI Radeon HD 4770
Compare Detailed Specs
ATI Radeon HD 4770 vs GeForce GTS 250
GeForce GTS 250 Performance108%
GeForce GTS 250 is 8% faster than ATI Radeon HD 4770
Compare Detailed Specs
ATI Radeon HD 4770 vs Radeon HD 4850
Radeon HD 4850 Performance105%
Radeon HD 4850 is 5% faster than ATI Radeon HD 4770
Compare Detailed Specs
ATI Radeon HD 4770 vs Radeon HD 4770
Radeon HD 4770 Performance100%
Radeon HD 4770 is 0% slower than ATI Radeon HD 4770
Compare Detailed Specs
ATI Radeon HD 4770 vs Radeon HD 4830
Radeon HD 4830 Performance94%
Radeon HD 4830 is 6% slower than ATI Radeon HD 4770
Compare Detailed Specs
More Comparisons with AMD Radeon R9 285
Compare AMD Radeon R9 285 with other GPUs of similar performance
AMD Radeon R9 285 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance114%
Radeon HD 7970 GHz Edition is 14% faster than AMD Radeon R9 285
Compare Detailed Specs
AMD Radeon R9 285 vs GeForce GTX 590
GeForce GTX 590 Performance114%
GeForce GTX 590 is 14% faster than AMD Radeon R9 285
Compare Detailed Specs
AMD Radeon R9 285 vs Radeon R9 280X
Radeon R9 280X Performance112%
Radeon R9 280X is 12% faster than AMD Radeon R9 285
Compare Detailed Specs
AMD Radeon R9 285 vs Radeon HD 6990
Radeon HD 6990 Performance110%
Radeon HD 6990 is 10% faster than AMD Radeon R9 285
Compare Detailed Specs
AMD Radeon R9 285 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti Performance104%
GeForce GTX 1050 Ti is 4% faster than AMD Radeon R9 285
Compare Detailed Specs
AMD Radeon R9 285 vs GeForce GTX 680
GeForce GTX 680 Performance102%
GeForce GTX 680 is 2% faster than AMD Radeon R9 285
Compare Detailed Specs