GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce GTX 680
93%
93%
AMD Radeon HD 6990
107%
107%
AMD Radeon HD 6990 is approximately 14% faster
Technical Specifications
| Specification | NVIDIA GeForce GTX 680 | AMD Radeon HD 6990 |
|---|---|---|
| Graphics ProcessorDifferent | GK104 | Antilles x2 |
| CoresDifferent | 1536 | 1536 x2 |
| TMUsDifferent | 128 | 96 x2 |
| ROPsDifferent | 32 | 32 x2 |
| Memory SizeDifferent | 2 GB | 2 GB x2 |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit | 256 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6990 |
|---|---|---|
| GPU NameDifferent | GK104 | Antilles |
| GPU VariantDifferent | GK104-400-A2 | Antilles XT(215-0807027) |
| ArchitectureDifferent | Kepler | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 3,540 million | 2,640 million |
| DensityDifferent | 12.0M / mm² | 6.8M / mm² |
| Die SizeDifferent | 294 mm² | 389 mm² |
| Chip PackageDifferent | BGA-1745 | N/A |
Graphics Card
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6990 |
|---|---|---|
| Release DateDifferent | Mar 22nd, 2012 | Mar 8th, 2011 |
| GenerationDifferent | GeForce 600 | Northern Islands(HD 6900) |
| PredecessorDifferent | GeForce 500 | Evergreen |
| SuccessorDifferent | GeForce 700 | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 499 USD | 699 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 151 in our database | 47 in our database |
Clock Speeds
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6990 |
|---|---|---|
| Base ClockDifferent | 1006 MHz | N/A |
| Boost ClockDifferent | 1058 MHz | N/A |
| Memory ClockDifferent | 1502 MHz6 Gbps effective | 1250 MHz5 Gbps effective |
| GPU ClockDifferent | N/A | 830 MHz |
Memory
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6990 |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 192.3 GB/s | 160.0 GB/s |
Render Config
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6990 |
|---|---|---|
| Shading Units | 1536 | 1536 |
| TMUsDifferent | 128 | 96 |
| ROPs | 32 | 32 |
| SMX CountDifferent | 8 | N/A |
| L1 CacheDifferent | 16 KB (per SMX) | 8 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
| Compute UnitsDifferent | N/A | 24 |
Theoretical Performance
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6990 |
|---|---|---|
| Pixel RateDifferent | 33.86 GPixel/s | 26.56 GPixel/s |
| Texture RateDifferent | 135.4 GTexel/s | 79.68 GTexel/s |
| FP32 (float)Different | 3.250 TFLOPS | 2.550 TFLOPS |
| FP64 (double)Different | 135.4 GFLOPS (1:24) | 637.4 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 256 mm10.1 inches | 310 mm12.2 inches |
| HeightDifferent | 111 mm4.4 inches | 115 mm4.5 inches |
| WidthDifferent | 38 mm1.5 inches | 40 mm1.6 inches |
| TDPDifferent | 195 W | 375 W |
| Suggested PSUDifferent | 450 W | 750 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 6-pin | 2x 8-pin |
| Board NumberDifferent | P2002 SKU 0 | 109-C20647-00 |
Graphics Features
| Feature | NVIDIA GeForce GTX 680 | AMD Radeon HD 6990 |
|---|---|---|
| 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
More Comparisons with NVIDIA GeForce GTX 680
Compare NVIDIA GeForce GTX 680 with other GPUs of similar performance
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 6990
Compare AMD Radeon HD 6990 with other GPUs of similar performance
AMD Radeon HD 6990 vs GeForce GTX 1650
GeForce GTX 1650 Performance119%
GeForce GTX 1650 is 19% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs Radeon RX 6400
Radeon RX 6400 Performance117%
Radeon RX 6400 is 17% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs Arc A380
Arc A380 Performance115%
Arc A380 is 15% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs GeForce GTX 780
GeForce GTX 780 Performance115%
GeForce GTX 780 is 15% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance104%
Radeon HD 7970 GHz Edition is 4% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs GeForce GTX 590
GeForce GTX 590 Performance104%
GeForce GTX 590 is 4% faster than AMD Radeon HD 6990
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