GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7770 GHz Edition
173%
173%
AMD Radeon HD 7850
154%
154%
AMD Radeon HD 7770 GHz Edition is approximately 19% faster
Technical Specifications
| Specification | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Graphics ProcessorDifferent | Cape Verde | Pitcairn |
| CoresDifferent | 640 | 1024 |
| TMUsDifferent | 40 | 64 |
| ROPsDifferent | 16 | 32 |
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 128 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| GPU NameDifferent | Cape Verde | Pitcairn |
| GPU VariantDifferent | Cape Verde XT(215-0825117) | Pitcairn PRO(215-0828062) |
| Architecture | GCN 1.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 1,500 million | 2,800 million |
| DensityDifferent | 12.2M / mm² | 13.2M / mm² |
| Die SizeDifferent | 123 mm² | 212 mm² |
| Chip PackageDifferent | FCBGA-962 | FCBGA-1737 |
Graphics Card
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Release DateDifferent | Feb 15th, 2012 | Mar 5th, 2012 |
| GenerationDifferent | Southern Islands(HD 7700) | Southern Islands(HD 7800) |
| Predecessor | Northern Islands | Northern Islands |
| Successor | Sea Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 159 USD | 249 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 97 in our database | 71 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| GPU ClockDifferent | 1000 MHz | 860 MHz |
| Memory ClockDifferent | 1125 MHz4.5 Gbps effective | 1200 MHz4.8 Gbps effective |
Memory
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 128 bit | 256 bit |
| BandwidthDifferent | 72.00 GB/s | 153.6 GB/s |
Render Config
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Shading UnitsDifferent | 640 | 1024 |
| TMUsDifferent | 40 | 64 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 10 | 16 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 256 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Pixel RateDifferent | 16.00 GPixel/s | 27.52 GPixel/s |
| Texture RateDifferent | 40.00 GTexel/s | 55.04 GTexel/s |
| FP32 (float)Different | 1,280.0 GFLOPS | 1.761 TFLOPS |
| FP64 (double)Different | 80.00 GFLOPS (1:16) | 110.1 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| Length | 210 mm8.3 inches | 210 mm8.3 inches |
| TDPDifferent | 80 W | 130 W |
| Suggested PSUDifferent | 250 W | 300 W |
| Outputs | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 1x 6-pin | 1x 6-pin |
| Board NumberDifferent | 109-C44157-00C, C468 | 109-C40147-00, 109-C40337-00A |
Graphics Features
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| 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 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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