GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4770
39%
39%
AMD Radeon HD 7850
259%
259%
AMD Radeon HD 7850 is approximately 220% faster
Technical Specifications
| Specification | ATI Radeon HD 4770 | AMD Radeon HD 7850 |
|---|---|---|
| Graphics ProcessorDifferent | RV740 | Pitcairn |
| CoresDifferent | 640 | 1024 |
| TMUsDifferent | 32 | 64 |
| 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 HD 7850 |
|---|---|---|
| GPU NameDifferent | RV740 | Pitcairn |
| GPU VariantDifferent | RV740 XT(215-0727019) | Pitcairn PRO(215-0828062) |
| ArchitectureDifferent | TeraScale | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 826 million | 2,800 million |
| DensityDifferent | 6.0M / mm² | 13.2M / mm² |
| Die SizeDifferent | 137 mm² | 212 mm² |
| Chip PackageDifferent | N/A | FCBGA-1737 |
Graphics Card
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7850 |
|---|---|---|
| Release DateDifferent | Apr 28th, 2009 | Mar 5th, 2012 |
| GenerationDifferent | Radeon R700(HD 4700) | Southern Islands(HD 7800) |
| PredecessorDifferent | Radeon R600 | Northern Islands |
| SuccessorDifferent | Evergreen | Sea 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 | 71 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7850 |
|---|---|---|
| GPU ClockDifferent | 750 MHz | 860 MHz |
| Memory ClockDifferent | 800 MHz3.2 Gbps effective | 1200 MHz4.8 Gbps effective |
Memory
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7850 |
|---|---|---|
| Memory SizeDifferent | 512 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 128 bit | 256 bit |
| BandwidthDifferent | 51.20 GB/s | 153.6 GB/s |
Render Config
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7850 |
|---|---|---|
| Shading UnitsDifferent | 640 | 1024 |
| TMUsDifferent | 32 | 64 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 8 | 16 |
| 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 HD 7850 |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 27.52 GPixel/s |
| Texture RateDifferent | 24.00 GTexel/s | 55.04 GTexel/s |
| FP32 (float)Different | 960.0 GFLOPS | 1.761 TFLOPS |
| FP64 (double)Different | 192.0 GFLOPS (1:5) | 110.1 GFLOPS (1:16) |
Board Design
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 203 mm8 inches | 210 mm8.3 inches |
| TDPDifferent | 80 W | 130 W |
| Suggested PSUDifferent | 250 W | 300 W |
| OutputsDifferent | 2x DVI1x S-Video | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 1x 6-pin | 1x 6-pin |
| Board NumberDifferent | B743 | 109-C40147-00, 109-C40337-00A |
Graphics Features
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7850 |
|---|---|---|
| DirectXDifferent | 10.1 (10_1) | 12 (11_1) |
| OpenGLDifferent | 3.3 | 4.6 |
| OpenCLDifferent | 1.1 | 2.1 (1.2) |
| VulkanDifferent | N/A | 1.2.170 |
| Shader ModelDifferent | 4.1 | 6.5 (5.1) |
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 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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