GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6950
770%
770%
AMD Radeon HD 6450
13%
13%
AMD Radeon HD 6950 is approximately 757% faster
Technical Specifications
| Specification | AMD Radeon HD 6950 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Cayman | Caicos |
| CoresDifferent | 1408 | 160 |
| TMUsDifferent | 88 | 8 |
| ROPsDifferent | 32 | 4 |
| Memory SizeDifferent | 2 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 256 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Cayman | Caicos |
| GPU VariantDifferent | Cayman PRO(215-0807019) | Caicos PRO |
| ArchitectureDifferent | TeraScale 3 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| TransistorsDifferent | 2,640 million | 370 million |
| DensityDifferent | 6.8M / mm² | 5.5M / mm² |
| Die SizeDifferent | 389 mm² | 67 mm² |
| Chip PackageDifferent | N/A | FCBGA-631 |
Graphics Card
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Dec 14th, 2010 | Apr 7th, 2011 |
| GenerationDifferent | Northern Islands(HD 6900) | Northern Islands(HD 6400) |
| Predecessor | Evergreen | Evergreen |
| Successor | Southern Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 299 USD | 55 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 111 in our database | 14 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6450 |
|---|---|---|
| GPU ClockDifferent | 800 MHz | 625 MHz |
| Memory ClockDifferent | 1250 MHz5 Gbps effective | 500 MHz1000 Mbps effective |
Memory
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 256 bit | 64 bit |
| BandwidthDifferent | 160.0 GB/s | 8.000 GB/s |
Render Config
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 1408 | 160 |
| TMUsDifferent | 88 | 8 |
| ROPsDifferent | 32 | 4 |
| Compute UnitsDifferent | 22 | 2 |
| L1 Cache | 8 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 512 KB | 128 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 25.60 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 70.40 GTexel/s | 5.000 GTexel/s |
| FP32 (float)Different | 2.253 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 563.2 GFLOPS (1:4) | N/A |
Board Design
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 286 mm11.3 inches | 168 mm6.6 inches |
| HeightDifferent | 126 mm5 inches | N/A |
| WidthDifferent | 42 mm1.7 inches | N/A |
| TDPDifferent | 200 W | 18 W |
| Suggested PSUDifferent | 550 W | 200 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 2x 6-pin | None |
| Board NumberDifferent | 109-C21647-00 | 109-C26037-00A |
Graphics Features
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6450 |
|---|---|---|
| DirectX | 11.2 (11_0) | 11.2 (11_0) |
| OpenGL | 4.4 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | N/A | N/A |
| Shader Model | 5.0 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
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 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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