GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 5450
6%
6%
AMD Radeon HD 7970 GHz Edition
1649%
1649%
AMD Radeon HD 7970 GHz Edition is approximately 1643% faster
Technical Specifications
| Specification | ATI Radeon HD 5450 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Graphics ProcessorDifferent | Cedar | Tahiti |
| CoresDifferent | 80 | 2048 |
| TMUsDifferent | 8 | 128 |
| ROPsDifferent | 4 | 32 |
| Memory SizeDifferent | 512 MB | 3 GB |
| Memory TypeDifferent | DDR2 | GDDR5 |
| Bus WidthDifferent | 64 bit | 384 bit |
Graphics Processor
| Feature | ATI Radeon HD 5450 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| GPU NameDifferent | Cedar | Tahiti |
| GPU VariantDifferent | Cedar PRO(215-0767003) | Tahiti XT2(215-0821065) |
| ArchitectureDifferent | TeraScale 2 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 292 million | 4,313 million |
| DensityDifferent | 4.9M / mm² | 12.3M / mm² |
| Die SizeDifferent | 59 mm² | 352 mm² |
| Chip PackageDifferent | FCBGA-631 | N/A |
Graphics Card
| Feature | ATI Radeon HD 5450 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Release DateDifferent | Feb 4th, 2010 | Jun 22nd, 2012 |
| GenerationDifferent | Evergreen(HD 5400) | Southern Islands(HD 7900) |
| PredecessorDifferent | Radeon R700 | Northern Islands |
| SuccessorDifferent | Northern Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 34 in our database | 191 in our database |
| Launch PriceDifferent | N/A | 499 USD |
Clock Speeds
| Feature | ATI Radeon HD 5450 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| GPU ClockDifferent | 650 MHz | N/A |
| Memory ClockDifferent | 400 MHz800 Mbps effective | 1500 MHz6 Gbps effective |
| Base ClockDifferent | N/A | 1000 MHz |
| Boost ClockDifferent | N/A | 1050 MHz |
Memory
| Feature | ATI Radeon HD 5450 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Memory SizeDifferent | 512 MB | 3 GB |
| Memory TypeDifferent | DDR2 | GDDR5 |
| Memory BusDifferent | 64 bit | 384 bit |
| BandwidthDifferent | 6.400 GB/s | 288.0 GB/s |
Render Config
| Feature | ATI Radeon HD 5450 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Shading UnitsDifferent | 80 | 2048 |
| TMUsDifferent | 8 | 128 |
| ROPsDifferent | 4 | 32 |
| Compute UnitsDifferent | 2 | 32 |
| L1 CacheDifferent | 8 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 128 KB | 768 KB |
Theoretical Performance
| Feature | ATI Radeon HD 5450 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Pixel RateDifferent | 2.600 GPixel/s | 33.60 GPixel/s |
| Texture RateDifferent | 5.200 GTexel/s | 134.4 GTexel/s |
| FP32 (float)Different | 104.0 GFLOPS | 4.301 TFLOPS |
| FP64 (double)Different | N/A | 1,075.2 GFLOPS (1:4) |
Board Design
| Feature | ATI Radeon HD 5450 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| LengthDifferent | 170 mm6.7 inches | 275 mm10.8 inches |
| TDPDifferent | 19 W | 300 W |
| Suggested PSUDifferent | 200 W | 700 W |
| OutputsDifferent | 1x DVI1x HDMI 1.3a1x VGA | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | None | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | B750, B982, C026, C027, C028, C070, C093, C096, C267 | 109-C38637-00 |
| HeightDifferent | N/A | 111 mm4.4 inches |
| WidthDifferent | N/A | 38 mm1.5 inches |
Graphics Features
| Feature | ATI Radeon HD 5450 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| DirectXDifferent | 11.2 (11_0) | 12 (11_1) |
| OpenGLDifferent | 4.4 | 4.6 |
| OpenCLDifferent | 1.2 | 2.1 (1.2) |
| VulkanDifferent | N/A | 1.2.170 |
| Shader ModelDifferent | 5.0 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
Detailed Features
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