GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7970 GHz Edition
249%
249%
AMD Radeon HD 6850
40%
40%
AMD Radeon HD 7970 GHz Edition is approximately 209% faster
Technical Specifications
| Specification | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6850 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Barts |
| CoresDifferent | 2048 | 960 |
| TMUsDifferent | 128 | 48 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 3 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6850 |
|---|---|---|
| GPU NameDifferent | Tahiti | Barts |
| GPU VariantDifferent | Tahiti XT2(215-0821065) | Barts PRO(215-0798006) |
| ArchitectureDifferent | GCN 1.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 4,313 million | 1,700 million |
| DensityDifferent | 12.3M / mm² | 6.7M / mm² |
| Die SizeDifferent | 352 mm² | 255 mm² |
| Chip PackageDifferent | N/A | HFCBGA-1737 |
Graphics Card
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6850 |
|---|---|---|
| Release DateDifferent | Jun 22nd, 2012 | Oct 21st, 2010 |
| GenerationDifferent | Southern Islands(HD 7900) | Northern Islands(HD 6800) |
| PredecessorDifferent | Northern Islands | Evergreen |
| SuccessorDifferent | Sea Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 499 USD | 179 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 191 in our database | 105 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6850 |
|---|---|---|
| Base ClockDifferent | 1000 MHz | N/A |
| Boost ClockDifferent | 1050 MHz | N/A |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1000 MHz4 Gbps effective |
| GPU ClockDifferent | N/A | 775 MHz |
Memory
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6850 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 288.0 GB/s | 128.0 GB/s |
Render Config
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6850 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 960 |
| TMUsDifferent | 128 | 48 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 32 | 12 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 768 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6850 |
|---|---|---|
| Pixel RateDifferent | 33.60 GPixel/s | 24.80 GPixel/s |
| Texture RateDifferent | 134.4 GTexel/s | 37.20 GTexel/s |
| FP32 (float)Different | 4.301 TFLOPS | 1,488.0 GFLOPS |
| FP64 (double)Different | 1,075.2 GFLOPS (1:4) | N/A |
Board Design
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 275 mm10.8 inches | 198 mm7.8 inches |
| HeightDifferent | 111 mm4.4 inches | N/A |
| WidthDifferent | 38 mm1.5 inches | N/A |
| TDPDifferent | 300 W | 127 W |
| Suggested PSUDifferent | 700 W | 300 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 1x 6-pin |
| Board NumberDifferent | 109-C38637-00 | 109-C22301-00B |
Graphics Features
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6850 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 (1.2) | 1.2 |
| VulkanDifferent | 1.2.170 | N/A |
| Shader ModelDifferent | 6.5 (5.1) | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
Detailed Features
More Comparisons with AMD Radeon HD 7970 GHz Edition
Compare AMD Radeon HD 7970 GHz Edition with other GPUs of similar performance
AMD Radeon HD 7970 GHz Edition vs GeForce GTX 1650
GeForce GTX 1650 Performance115%
GeForce GTX 1650 is 15% faster than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs Radeon RX 6400
Radeon RX 6400 Performance112%
Radeon RX 6400 is 12% faster than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs Arc A380
Arc A380 Performance111%
Arc A380 is 11% faster than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs GeForce GTX 780
GeForce GTX 780 Performance111%
GeForce GTX 780 is 11% faster than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance100%
Radeon HD 7970 GHz Edition is 0% slower than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs GeForce GTX 590
GeForce GTX 590 Performance100%
GeForce GTX 590 is 0% slower than AMD Radeon HD 7970 GHz Edition
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More Comparisons with AMD Radeon HD 6850
Compare AMD Radeon HD 6850 with other GPUs of similar performance
AMD Radeon HD 6850 vs GeForce GTX 470
GeForce GTX 470 Performance116%
GeForce GTX 470 is 16% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance111%
GeForce GTX 650 Ti is 11% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs Radeon HD 5850
Radeon HD 5850 Performance109%
Radeon HD 5850 is 9% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs GeForce GTX 285
GeForce GTX 285 Performance102%
GeForce GTX 285 is 2% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs Radeon HD 6850
Radeon HD 6850 Performance100%
Radeon HD 6850 is 0% slower than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs GeForce GTX 280
GeForce GTX 280 Performance94%
GeForce GTX 280 is 6% slower than AMD Radeon HD 6850
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