GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4770
25%
25%
AMD Radeon HD 7970
449%
449%
AMD Radeon HD 7970 is approximately 424% faster
Technical Specifications
| Specification | ATI Radeon HD 4770 | AMD Radeon HD 7970 |
|---|---|---|
| Graphics ProcessorDifferent | RV740 | Tahiti |
| CoresDifferent | 640 | 2048 |
| TMUsDifferent | 32 | 128 |
| ROPsDifferent | 16 | 32 |
| Memory SizeDifferent | 512 MB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 128 bit | 384 bit |
Graphics Processor
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7970 |
|---|---|---|
| GPU NameDifferent | RV740 | Tahiti |
| GPU VariantDifferent | RV740 XT(215-0727019) | Tahiti XT(215-0821060) |
| ArchitectureDifferent | TeraScale | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 826 million | 4,313 million |
| DensityDifferent | 6.0M / mm² | 12.3M / mm² |
| Die SizeDifferent | 137 mm² | 352 mm² |
Graphics Card
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7970 |
|---|---|---|
| Release DateDifferent | Apr 28th, 2009 | Jan 9th, 2012 |
| GenerationDifferent | Radeon R700(HD 4700) | Southern Islands(HD 7900) |
| PredecessorDifferent | Radeon R600 | Northern Islands |
| SuccessorDifferent | Evergreen | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 109 USD | 549 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 82 in our database | 191 in our database |
| AnnouncedDifferent | N/A | Dec 22nd, 2011 |
Clock Speeds
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7970 |
|---|---|---|
| GPU ClockDifferent | 750 MHz | 925 MHz |
| Memory ClockDifferent | 800 MHz3.2 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7970 |
|---|---|---|
| Memory SizeDifferent | 512 MB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 128 bit | 384 bit |
| BandwidthDifferent | 51.20 GB/s | 264.0 GB/s |
Render Config
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7970 |
|---|---|---|
| Shading UnitsDifferent | 640 | 2048 |
| TMUsDifferent | 32 | 128 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 8 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 128 KB | 768 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7970 |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 29.60 GPixel/s |
| Texture RateDifferent | 24.00 GTexel/s | 118.4 GTexel/s |
| FP32 (float)Different | 960.0 GFLOPS | 3.789 TFLOPS |
| FP64 (double)Different | 192.0 GFLOPS (1:5) | 947.2 GFLOPS (1:4) |
Board Design
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7970 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 203 mm8 inches | 275 mm10.8 inches |
| TDPDifferent | 80 W | 250 W |
| Suggested PSUDifferent | 250 W | 600 W |
| OutputsDifferent | 2x DVI1x S-Video | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | B743 | 109-C38637-00 |
| HeightDifferent | N/A | 111 mm4.4 inches |
| WidthDifferent | N/A | 38 mm1.5 inches |
Graphics Features
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7970 |
|---|---|---|
| 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
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
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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 7970
Compare AMD Radeon HD 7970 with other GPUs of similar performance
AMD Radeon HD 7970 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance113%
Radeon HD 7970 GHz Edition is 13% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs GeForce GTX 590
GeForce GTX 590 Performance113%
GeForce GTX 590 is 13% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs Radeon R9 280X
Radeon R9 280X Performance111%
Radeon R9 280X is 11% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs Radeon HD 6990
Radeon HD 6990 Performance109%
Radeon HD 6990 is 9% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti Performance103%
GeForce GTX 1050 Ti is 3% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs GeForce GTX 680
GeForce GTX 680 Performance101%
GeForce GTX 680 is 1% faster than AMD Radeon HD 7970
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