GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6950
76%
76%
NVIDIA GeForce GTX 660 Ti
340%
340%
NVIDIA GeForce GTX 660 Ti is approximately 264% faster
Technical Specifications
| Specification | AMD Radeon HD 6950 | NVIDIA GeForce GTX 660 Ti |
|---|---|---|
| Graphics ProcessorDifferent | Cayman | GK104 |
| CoresDifferent | 1408 | 1344 |
| TMUsDifferent | 88 | 112 |
| ROPsDifferent | 32 | 24 |
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit | 192 bit |
Graphics Processor
| Feature | AMD Radeon HD 6950 | NVIDIA GeForce GTX 660 Ti |
|---|---|---|
| GPU NameDifferent | Cayman | GK104 |
| GPU VariantDifferent | Cayman PRO(215-0807019) | GK104-300-KD-A2 |
| ArchitectureDifferent | TeraScale 3 | Kepler |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 2,640 million | 3,540 million |
| DensityDifferent | 6.8M / mm² | 12.0M / mm² |
| Die SizeDifferent | 389 mm² | 294 mm² |
| Chip PackageDifferent | N/A | BGA-1745 |
Graphics Card
| Feature | AMD Radeon HD 6950 | NVIDIA GeForce GTX 660 Ti |
|---|---|---|
| Release DateDifferent | Dec 14th, 2010 | Aug 16th, 2012 |
| GenerationDifferent | Northern Islands(HD 6900) | GeForce 600 |
| PredecessorDifferent | Evergreen | GeForce 500 |
| SuccessorDifferent | Southern Islands | GeForce 700 |
| Production | End-of-life | End-of-life |
| Launch Price | 299 USD | 299 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 111 in our database | 83 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6950 | NVIDIA GeForce GTX 660 Ti |
|---|---|---|
| GPU ClockDifferent | 800 MHz | N/A |
| Memory ClockDifferent | 1250 MHz5 Gbps effective | 1502 MHz6 Gbps effective |
| Base ClockDifferent | N/A | 915 MHz |
| Boost ClockDifferent | N/A | 980 MHz |
Memory
| Feature | AMD Radeon HD 6950 | NVIDIA GeForce GTX 660 Ti |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 192 bit |
| BandwidthDifferent | 160.0 GB/s | 144.2 GB/s |
Render Config
| Feature | AMD Radeon HD 6950 | NVIDIA GeForce GTX 660 Ti |
|---|---|---|
| Shading UnitsDifferent | 1408 | 1344 |
| TMUsDifferent | 88 | 112 |
| ROPsDifferent | 32 | 24 |
| Compute UnitsDifferent | 22 | N/A |
| L1 CacheDifferent | 8 KB (per CU) | 16 KB (per SMX) |
| L2 CacheDifferent | 512 KB | 384 KB |
| SMX CountDifferent | N/A | 7 |
Theoretical Performance
| Feature | AMD Radeon HD 6950 | NVIDIA GeForce GTX 660 Ti |
|---|---|---|
| Pixel RateDifferent | 25.60 GPixel/s | 27.44 GPixel/s |
| Texture RateDifferent | 70.40 GTexel/s | 109.8 GTexel/s |
| FP32 (float)Different | 2.253 TFLOPS | 2.634 TFLOPS |
| FP64 (double)Different | 563.2 GFLOPS (1:4) | 109.8 GFLOPS (1:24) |
Board Design
| Feature | AMD Radeon HD 6950 | NVIDIA GeForce GTX 660 Ti |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 286 mm11.3 inches | 241 mm9.5 inches |
| HeightDifferent | 126 mm5 inches | N/A |
| WidthDifferent | 42 mm1.7 inches | N/A |
| TDPDifferent | 200 W | 150 W |
| Suggested PSUDifferent | 550 W | 450 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 2x 6-pin | 2x 6-pin |
| Board NumberDifferent | 109-C21647-00 | P2004 SKU 1 |
Graphics Features
| Feature | AMD Radeon HD 6950 | NVIDIA GeForce GTX 660 Ti |
|---|---|---|
| DirectXDifferent | 11.2 (11_0) | 12 (11_0) |
| OpenGLDifferent | 4.4 | 4.6 |
| OpenCLDifferent | 1.2 | 3.0 |
| VulkanDifferent | N/A | 1.2.175 |
| Shader ModelDifferent | 5.0 | 6.5 (5.1) |
| CUDADifferent | N/A | 3.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
51
Detailed Features
More Comparisons with AMD Radeon HD 6950
Compare AMD Radeon HD 6950 with other GPUs of similar performance
AMD Radeon HD 6950 vs Radeon RX 560
Radeon RX 560 Performance119%
Radeon RX 560 is 19% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 570
GeForce GTX 570 Performance117%
GeForce GTX 570 is 17% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 660
GeForce GTX 660 Performance117%
GeForce GTX 660 is 17% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs Radeon R7 370
Radeon R7 370 Performance116%
Radeon R7 370 is 16% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs Radeon HD 6970
Radeon HD 6970 Performance112%
Radeon HD 6970 is 12% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 480
GeForce GTX 480 Performance107%
GeForce GTX 480 is 7% faster than AMD Radeon HD 6950
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More Comparisons with NVIDIA GeForce GTX 660 Ti
Compare NVIDIA GeForce GTX 660 Ti with other GPUs of similar performance
NVIDIA GeForce GTX 660 Ti vs GeForce GTX 960
GeForce GTX 960 Performance117%
GeForce GTX 960 is 17% faster than NVIDIA GeForce GTX 660 Ti
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NVIDIA GeForce GTX 660 Ti vs GeForce GTX 670
GeForce GTX 670 Performance114%
GeForce GTX 670 is 14% faster than NVIDIA GeForce GTX 660 Ti
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NVIDIA GeForce GTX 660 Ti vs Radeon HD 5970
Radeon HD 5970 Performance103%
Radeon HD 5970 is 3% faster than NVIDIA GeForce GTX 660 Ti
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NVIDIA GeForce GTX 660 Ti vs GeForce GTX 1630
GeForce GTX 1630 Performance103%
GeForce GTX 1630 is 3% faster than NVIDIA GeForce GTX 660 Ti
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NVIDIA GeForce GTX 660 Ti vs GeForce GTX 1050
GeForce GTX 1050 Performance101%
GeForce GTX 1050 is 1% faster than NVIDIA GeForce GTX 660 Ti
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NVIDIA GeForce GTX 660 Ti vs GeForce GTX 760
GeForce GTX 760 Performance101%
GeForce GTX 760 is 1% faster than NVIDIA GeForce GTX 660 Ti
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