GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7770 GHz Edition
244%
244%
NVIDIA GeForce GTX 285
109%
109%
AMD Radeon HD 7770 GHz Edition is approximately 135% faster
Technical Specifications
| Specification | AMD Radeon HD 7770 GHz Edition | NVIDIA GeForce GTX 285 |
|---|---|---|
| Graphics ProcessorDifferent | Cape Verde | GT200B |
| CoresDifferent | 640 | 240 |
| TMUsDifferent | 40 | 80 |
| ROPsDifferent | 16 | 32 |
| Memory Size | 1024 MB | 1024 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 128 bit | 512 bit |
Graphics Processor
| Feature | AMD Radeon HD 7770 GHz Edition | NVIDIA GeForce GTX 285 |
|---|---|---|
| GPU NameDifferent | Cape Verde | GT200B |
| GPU VariantDifferent | Cape Verde XT(215-0825117) | G200-350-B3 |
| ArchitectureDifferent | GCN 1.0 | Tesla 2.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 55 nm |
| TransistorsDifferent | 1,500 million | 1,400 million |
| DensityDifferent | 12.2M / mm² | 3.0M / mm² |
| Die SizeDifferent | 123 mm² | 470 mm² |
| Chip PackageDifferent | FCBGA-962 | BGA-1981 |
Graphics Card
| Feature | AMD Radeon HD 7770 GHz Edition | NVIDIA GeForce GTX 285 |
|---|---|---|
| Release DateDifferent | Feb 15th, 2012 | Dec 23rd, 2008 |
| GenerationDifferent | Southern Islands(HD 7700) | GeForce 200 |
| PredecessorDifferent | Northern Islands | GeForce 9 |
| SuccessorDifferent | Sea Islands | GeForce 400 |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 159 USD | 359 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 97 in our database | 88 in our database |
| AvailabilityDifferent | N/A | Jan 15th, 2009 |
Clock Speeds
| Feature | AMD Radeon HD 7770 GHz Edition | NVIDIA GeForce GTX 285 |
|---|---|---|
| GPU ClockDifferent | 1000 MHz | 648 MHz |
| Memory ClockDifferent | 1125 MHz4.5 Gbps effective | 1242 MHz2.5 Gbps effective |
| Shader ClockDifferent | N/A | 1476 MHz |
Memory
| Feature | AMD Radeon HD 7770 GHz Edition | NVIDIA GeForce GTX 285 |
|---|---|---|
| Memory Size | 1024 MB | 1024 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 128 bit | 512 bit |
| BandwidthDifferent | 72.00 GB/s | 159.0 GB/s |
Render Config
| Feature | AMD Radeon HD 7770 GHz Edition | NVIDIA GeForce GTX 285 |
|---|---|---|
| Shading UnitsDifferent | 640 | 240 |
| TMUsDifferent | 40 | 80 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 10 | N/A |
| L1 CacheDifferent | 16 KB (per CU) | N/A |
| L2 Cache | 256 KB | 256 KB |
| SM CountDifferent | N/A | 30 |
Theoretical Performance
| Feature | AMD Radeon HD 7770 GHz Edition | NVIDIA GeForce GTX 285 |
|---|---|---|
| Pixel RateDifferent | 16.00 GPixel/s | 20.74 GPixel/s |
| Texture RateDifferent | 40.00 GTexel/s | 51.84 GTexel/s |
| FP32 (float)Different | 1,280.0 GFLOPS | 708.5 GFLOPS |
| FP64 (double)Different | 80.00 GFLOPS (1:16) | 88.56 GFLOPS (1:8) |
Board Design
| Feature | AMD Radeon HD 7770 GHz Edition | NVIDIA GeForce GTX 285 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 210 mm8.3 inches | 267 mm10.5 inches |
| TDPDifferent | 80 W | 204 W |
| Suggested PSUDifferent | 250 W | 550 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x S-Video |
| Power ConnectorsDifferent | 1x 6-pin | 2x 6-pin |
| Board NumberDifferent | 109-C44157-00C, C468 | P891 SKU 52, P892 SKU 52, P892 SKU 55 |
Graphics Features
| Feature | AMD Radeon HD 7770 GHz Edition | NVIDIA GeForce GTX 285 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 11.1 (10_0) |
| OpenGLDifferent | 4.6 | 3.3 |
| OpenCLDifferent | 2.1 (1.2) | 1.1 |
| VulkanDifferent | 1.2.170 | N/A |
| Shader ModelDifferent | 6.5 (5.1) | 4.0 |
| CUDADifferent | N/A | 1.3 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
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 NVIDIA GeForce GTX 285
Compare NVIDIA GeForce GTX 285 with other GPUs of similar performance
NVIDIA GeForce GTX 285 vs GeForce GTX 470
GeForce GTX 470 Performance114%
GeForce GTX 470 is 14% faster than NVIDIA GeForce GTX 285
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NVIDIA GeForce GTX 285 vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance109%
GeForce GTX 650 Ti is 9% faster than NVIDIA GeForce GTX 285
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NVIDIA GeForce GTX 285 vs Radeon HD 5850
Radeon HD 5850 Performance107%
Radeon HD 5850 is 7% faster than NVIDIA GeForce GTX 285
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NVIDIA GeForce GTX 285 vs GeForce GTX 285
GeForce GTX 285 Performance100%
GeForce GTX 285 is 0% slower than NVIDIA GeForce GTX 285
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NVIDIA GeForce GTX 285 vs Radeon HD 6850
Radeon HD 6850 Performance98%
Radeon HD 6850 is 2% slower than NVIDIA GeForce GTX 285
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NVIDIA GeForce GTX 285 vs GeForce GTX 280
GeForce GTX 280 Performance92%
GeForce GTX 280 is 8% slower than NVIDIA GeForce GTX 285
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