GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 5970
1054%
1054%
AMD Radeon HD 6450
9%
9%
ATI Radeon HD 5970 is approximately 1045% faster
Technical Specifications
| Specification | ATI Radeon HD 5970 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Hemlock x2 | Caicos |
| CoresDifferent | 1600 x2 | 160 |
| TMUsDifferent | 80 x2 | 8 |
| ROPsDifferent | 32 x2 | 4 |
| Memory SizeDifferent | 1024 MB x2 | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 256 bit x2 | 64 bit |
Graphics Processor
| Feature | ATI Radeon HD 5970 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Hemlock | Caicos |
| GPU VariantDifferent | Hemlock XT(215-0735075) | Caicos PRO |
| Architecture | TeraScale 2 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| TransistorsDifferent | 2,154 million | 370 million |
| DensityDifferent | 6.4M / mm² | 5.5M / mm² |
| Die SizeDifferent | 334 mm² | 67 mm² |
| Chip PackageDifferent | N/A | FCBGA-631 |
Graphics Card
| Feature | ATI Radeon HD 5970 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Nov 18th, 2009 | Apr 7th, 2011 |
| GenerationDifferent | Evergreen(HD 5900) | Northern Islands(HD 6400) |
| PredecessorDifferent | Radeon R700 | Evergreen |
| SuccessorDifferent | Northern Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 699 USD | 55 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 74 in our database | 14 in our database |
Clock Speeds
| Feature | ATI Radeon HD 5970 | AMD Radeon HD 6450 |
|---|---|---|
| GPU ClockDifferent | 725 MHz | 625 MHz |
| Memory ClockDifferent | 1000 MHz4 Gbps effective | 500 MHz1000 Mbps effective |
Memory
| Feature | ATI Radeon HD 5970 | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 256 bit | 64 bit |
| BandwidthDifferent | 128.0 GB/s | 8.000 GB/s |
Render Config
| Feature | ATI Radeon HD 5970 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 1600 | 160 |
| TMUsDifferent | 80 | 8 |
| ROPsDifferent | 32 | 4 |
| Compute UnitsDifferent | 20 | 2 |
| L1 Cache | 8 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 512 KB | 128 KB |
Theoretical Performance
| Feature | ATI Radeon HD 5970 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 23.20 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 58.00 GTexel/s | 5.000 GTexel/s |
| FP32 (float)Different | 2.320 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 464.0 GFLOPS (1:5) | N/A |
Board Design
| Feature | ATI Radeon HD 5970 | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 311 mm12.2 inches | 168 mm6.6 inches |
| HeightDifferent | 111 mm4.4 inches | N/A |
| WidthDifferent | 37 mm1.5 inches | N/A |
| TDPDifferent | 294 W | 18 W |
| Suggested PSUDifferent | 600 W | 200 W |
| OutputsDifferent | 2x DVI1x mini-DisplayPort 1.1 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | None |
| Board NumberDifferent | 109-C00037-00 | 109-C26037-00A |
Graphics Features
| Feature | ATI Radeon HD 5970 | 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 ATI Radeon HD 5970
Compare ATI Radeon HD 5970 with other GPUs of similar performance
ATI Radeon HD 5970 vs GeForce GTX 680
GeForce GTX 680 Performance120%
GeForce GTX 680 is 20% faster than ATI Radeon HD 5970
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ATI Radeon HD 5970 vs Radeon R9 380
Radeon R9 380 Performance118%
Radeon R9 380 is 18% faster than ATI Radeon HD 5970
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ATI Radeon HD 5970 vs Radeon HD 7970
Radeon HD 7970 Performance118%
Radeon HD 7970 is 18% faster than ATI Radeon HD 5970
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ATI Radeon HD 5970 vs GeForce GTX 770
GeForce GTX 770 Performance118%
GeForce GTX 770 is 18% faster than ATI Radeon HD 5970
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ATI Radeon HD 5970 vs Radeon R9 285
Radeon R9 285 Performance117%
Radeon R9 285 is 17% faster than ATI Radeon HD 5970
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ATI Radeon HD 5970 vs GeForce GTX 960
GeForce GTX 960 Performance114%
GeForce GTX 960 is 14% faster than ATI Radeon HD 5970
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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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