GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4770
22%
22%
AMD Radeon HD 7970 GHz Edition
449%
449%
AMD Radeon HD 7970 GHz Edition is approximately 427% faster
Technical Specifications
| Specification | ATI Radeon HD 4770 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| 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 GHz Edition |
|---|---|---|
| GPU NameDifferent | RV740 | Tahiti |
| GPU VariantDifferent | RV740 XT(215-0727019) | Tahiti XT2(215-0821065) |
| 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 GHz Edition |
|---|---|---|
| Release DateDifferent | Apr 28th, 2009 | Jun 22nd, 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 | 499 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 82 in our database | 191 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| GPU ClockDifferent | 750 MHz | N/A |
| Memory ClockDifferent | 800 MHz3.2 Gbps effective | 1500 MHz6 Gbps effective |
| Base ClockDifferent | N/A | 1000 MHz |
| Boost ClockDifferent | N/A | 1050 MHz |
Memory
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Memory SizeDifferent | 512 MB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 128 bit | 384 bit |
| BandwidthDifferent | 51.20 GB/s | 288.0 GB/s |
Render Config
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| 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 GHz Edition |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 33.60 GPixel/s |
| Texture RateDifferent | 24.00 GTexel/s | 134.4 GTexel/s |
| FP32 (float)Different | 960.0 GFLOPS | 4.301 TFLOPS |
| FP64 (double)Different | 192.0 GFLOPS (1:5) | 1,075.2 GFLOPS (1:4) |
Board Design
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 203 mm8 inches | 275 mm10.8 inches |
| TDPDifferent | 80 W | 300 W |
| Suggested PSUDifferent | 250 W | 700 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 GHz Edition |
|---|---|---|
| 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
48
Detailed Features
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AMD Radeon HD 7970 GHz Edition vs GeForce GTX 780
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AMD Radeon HD 7970 GHz Edition vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance100%
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GeForce GTX 590 Performance100%
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