GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce GTX 680
1260%
1260%
AMD Radeon HD 6450
8%
8%
NVIDIA GeForce GTX 680 is approximately 1252% faster
Technical Specifications
| Specification | NVIDIA GeForce GTX 680 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | GK104 | Caicos |
| CoresDifferent | 1536 | 160 |
| TMUsDifferent | 128 | 8 |
| ROPsDifferent | 32 | 4 |
| Memory SizeDifferent | 2 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 256 bit | 64 bit |
Graphics Processor
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | GK104 | Caicos |
| GPU VariantDifferent | GK104-400-A2 | Caicos PRO |
| ArchitectureDifferent | Kepler | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 3,540 million | 370 million |
| DensityDifferent | 12.0M / mm² | 5.5M / mm² |
| Die SizeDifferent | 294 mm² | 67 mm² |
| Chip PackageDifferent | BGA-1745 | FCBGA-631 |
Graphics Card
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Mar 22nd, 2012 | Apr 7th, 2011 |
| GenerationDifferent | GeForce 600 | Northern Islands(HD 6400) |
| PredecessorDifferent | GeForce 500 | Evergreen |
| SuccessorDifferent | GeForce 700 | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 499 USD | 55 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 151 in our database | 14 in our database |
Clock Speeds
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6450 |
|---|---|---|
| Base ClockDifferent | 1006 MHz | N/A |
| Boost ClockDifferent | 1058 MHz | N/A |
| Memory ClockDifferent | 1502 MHz6 Gbps effective | 500 MHz1000 Mbps effective |
| GPU ClockDifferent | N/A | 625 MHz |
Memory
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 256 bit | 64 bit |
| BandwidthDifferent | 192.3 GB/s | 8.000 GB/s |
Render Config
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 1536 | 160 |
| TMUsDifferent | 128 | 8 |
| ROPsDifferent | 32 | 4 |
| SMX CountDifferent | 8 | N/A |
| L1 CacheDifferent | 16 KB (per SMX) | 8 KB (per CU) |
| L2 CacheDifferent | 512 KB | 128 KB |
| Compute UnitsDifferent | N/A | 2 |
Theoretical Performance
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 33.86 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 135.4 GTexel/s | 5.000 GTexel/s |
| FP32 (float)Different | 3.250 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 135.4 GFLOPS (1:24) | N/A |
Board Design
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 256 mm10.1 inches | 168 mm6.6 inches |
| HeightDifferent | 111 mm4.4 inches | N/A |
| WidthDifferent | 38 mm1.5 inches | N/A |
| TDPDifferent | 195 W | 18 W |
| Suggested PSUDifferent | 450 W | 200 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 2x 6-pin | None |
| Board NumberDifferent | P2002 SKU 0 | 109-C26037-00A |
Graphics Features
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6450 |
|---|---|---|
| DirectXDifferent | 12 (11_0) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 3.0 | 1.2 |
| VulkanDifferent | 1.2.175 | N/A |
| CUDADifferent | 3.0 | N/A |
| Shader ModelDifferent | 6.5 (5.1) | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
51
Detailed Features
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NVIDIA GeForce GTX 680 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance112%
Radeon HD 7970 GHz Edition is 12% faster than NVIDIA GeForce GTX 680
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NVIDIA GeForce GTX 680 vs GeForce GTX 590
GeForce GTX 590 Performance112%
GeForce GTX 590 is 12% faster than NVIDIA GeForce GTX 680
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NVIDIA GeForce GTX 680 vs Radeon R9 280X
Radeon R9 280X Performance110%
Radeon R9 280X is 10% faster than NVIDIA GeForce GTX 680
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NVIDIA GeForce GTX 680 vs Radeon HD 6990
Radeon HD 6990 Performance107%
Radeon HD 6990 is 7% faster than NVIDIA GeForce GTX 680
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NVIDIA GeForce GTX 680 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti Performance102%
GeForce GTX 1050 Ti is 2% faster than NVIDIA GeForce GTX 680
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NVIDIA GeForce GTX 680 vs GeForce GTX 680
GeForce GTX 680 Performance100%
GeForce GTX 680 is 0% slower than NVIDIA GeForce GTX 680
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More Comparisons with AMD Radeon HD 6450
Compare AMD Radeon HD 6450 with other GPUs of similar performance
AMD Radeon HD 6450 vs GeForce GT 520
GeForce GT 520 Performance106%
GeForce GT 520 is 6% faster than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 5450
Radeon HD 5450 Performance85%
Radeon HD 5450 is 15% slower than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
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