GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7770 GHz Edition
342%
342%
AMD Radeon HD 7750
78%
78%
AMD Radeon HD 7770 GHz Edition is approximately 264% faster
Technical Specifications
| Specification | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7750 |
|---|---|---|
| Graphics Processor | Cape Verde | Cape Verde |
| CoresDifferent | 640 | 512 |
| TMUsDifferent | 40 | 32 |
| ROPs | 16 | 16 |
| Memory Size | 1024 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128 bit | 128 bit |
Graphics Processor
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7750 |
|---|---|---|
| GPU Name | Cape Verde | Cape Verde |
| GPU VariantDifferent | Cape Verde XT(215-0825117) | Cape Verde PRO(215-0825156) |
| Architecture | GCN 1.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| Transistors | 1,500 million | 1,500 million |
| Density | 12.2M / mm² | 12.2M / mm² |
| Die Size | 123 mm² | 123 mm² |
| Chip Package | FCBGA-962 | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7750 |
|---|---|---|
| Release Date | Feb 15th, 2012 | Feb 15th, 2012 |
| Generation | Southern Islands(HD 7700) | Southern Islands(HD 7700) |
| Predecessor | Northern Islands | Northern Islands |
| Successor | Sea Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 159 USD | 109 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 97 in our database | 61 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7750 |
|---|---|---|
| GPU ClockDifferent | 1000 MHz | 800 MHz |
| Memory Clock | 1125 MHz4.5 Gbps effective | 1125 MHz4.5 Gbps effective |
Memory
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7750 |
|---|---|---|
| Memory Size | 1024 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 128 bit | 128 bit |
| Bandwidth | 72.00 GB/s | 72.00 GB/s |
Render Config
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7750 |
|---|---|---|
| Shading UnitsDifferent | 640 | 512 |
| TMUsDifferent | 40 | 32 |
| ROPs | 16 | 16 |
| Compute UnitsDifferent | 10 | 8 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 256 KB | 256 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7750 |
|---|---|---|
| Pixel RateDifferent | 16.00 GPixel/s | 12.80 GPixel/s |
| Texture RateDifferent | 40.00 GTexel/s | 25.60 GTexel/s |
| FP32 (float)Different | 1,280.0 GFLOPS | 819.2 GFLOPS |
| FP64 (double)Different | 80.00 GFLOPS (1:16) | 51.20 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7750 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 210 mm8.3 inches | 168 mm6.6 inches |
| TDPDifferent | 80 W | 55 W |
| Suggested PSU | 250 W | 250 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 1x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin | None |
| Board NumberDifferent | 109-C44157-00C, C468 | C441, 109-C44537-00B |
Graphics Features
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7750 |
|---|---|---|
| DirectX | 12 (11_1) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 (1.2) | 2.1 (1.2) |
| Vulkan | 1.2.170 | 1.2.170 |
| Shader Model | 6.5 (5.1) | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
45
Detailed Features
More Comparisons with AMD Radeon HD 7770 GHz Edition
Compare AMD Radeon HD 7770 GHz Edition with other GPUs of similar performance
AMD Radeon HD 7770 GHz Edition vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance119%
GeForce GTX 650 Ti is 19% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 5850
Radeon HD 5850 Performance117%
Radeon HD 5850 is 17% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 285
GeForce GTX 285 Performance109%
GeForce GTX 285 is 9% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 6850
Radeon HD 6850 Performance107%
Radeon HD 6850 is 7% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 280
GeForce GTX 280 Performance100%
GeForce GTX 280 is 0% slower than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition Performance100%
Radeon HD 7770 GHz Edition is 0% slower than AMD Radeon HD 7770 GHz Edition
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More Comparisons with AMD Radeon HD 7750
Compare AMD Radeon HD 7750 with other GPUs of similar performance
AMD Radeon HD 7750 vs Radeon HD 4890
Radeon HD 4890 Performance120%
Radeon HD 4890 is 20% faster than AMD Radeon HD 7750
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AMD Radeon HD 7750 vs Radeon HD 6790
Radeon HD 6790 Performance118%
Radeon HD 6790 is 18% faster than AMD Radeon HD 7750
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AMD Radeon HD 7750 vs Radeon HD 5830
Radeon HD 5830 Performance112%
Radeon HD 5830 is 12% faster than AMD Radeon HD 7750
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AMD Radeon HD 7750 vs GeForce GTX 650
GeForce GTX 650 Performance106%
GeForce GTX 650 is 6% faster than AMD Radeon HD 7750
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AMD Radeon HD 7750 vs GeForce GTX 550 Ti
GeForce GTX 550 Ti Performance105%
GeForce GTX 550 Ti is 5% faster than AMD Radeon HD 7750
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AMD Radeon HD 7750 vs Radeon HD 4870
Radeon HD 4870 Performance104%
Radeon HD 4870 is 4% faster than AMD Radeon HD 7750
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