GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6990
96%
96%
AMD Radeon HD 7970 GHz Edition
104%
104%
AMD Radeon HD 7970 GHz Edition is approximately 8% faster
Technical Specifications
| Specification | AMD Radeon HD 6990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Graphics ProcessorDifferent | Antilles x2 | Tahiti |
| CoresDifferent | 1536 x2 | 2048 |
| TMUsDifferent | 96 x2 | 128 |
| ROPsDifferent | 32 x2 | 32 |
| Memory SizeDifferent | 2 GB x2 | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit x2 | 384 bit |
Graphics Processor
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| GPU NameDifferent | Antilles | Tahiti |
| GPU VariantDifferent | Antilles XT(215-0807027) | Tahiti XT2(215-0821065) |
| ArchitectureDifferent | TeraScale 3 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 2,640 million | 4,313 million |
| DensityDifferent | 6.8M / mm² | 12.3M / mm² |
| Die SizeDifferent | 389 mm² | 352 mm² |
Graphics Card
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Release DateDifferent | Mar 8th, 2011 | Jun 22nd, 2012 |
| GenerationDifferent | Northern Islands(HD 6900) | Southern Islands(HD 7900) |
| PredecessorDifferent | Evergreen | Northern Islands |
| SuccessorDifferent | Southern Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 699 USD | 499 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 47 in our database | 191 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| GPU ClockDifferent | 830 MHz | N/A |
| Memory ClockDifferent | 1250 MHz5 Gbps effective | 1500 MHz6 Gbps effective |
| Base ClockDifferent | N/A | 1000 MHz |
| Boost ClockDifferent | N/A | 1050 MHz |
Memory
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Memory SizeDifferent | 2 GB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 384 bit |
| BandwidthDifferent | 160.0 GB/s | 288.0 GB/s |
Render Config
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Shading UnitsDifferent | 1536 | 2048 |
| TMUsDifferent | 96 | 128 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 24 | 32 |
| L1 CacheDifferent | 8 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 512 KB | 768 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Pixel RateDifferent | 26.56 GPixel/s | 33.60 GPixel/s |
| Texture RateDifferent | 79.68 GTexel/s | 134.4 GTexel/s |
| FP32 (float)Different | 2.550 TFLOPS | 4.301 TFLOPS |
| FP64 (double)Different | 637.4 GFLOPS (1:4) | 1,075.2 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 310 mm12.2 inches | 275 mm10.8 inches |
| HeightDifferent | 115 mm4.5 inches | 111 mm4.4 inches |
| WidthDifferent | 40 mm1.6 inches | 38 mm1.5 inches |
| TDPDifferent | 375 W | 300 W |
| Suggested PSUDifferent | 750 W | 700 W |
| OutputsDifferent | 1x DVI4x mini-DisplayPort 1.2 | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 8-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-C20647-00 | 109-C38637-00 |
Graphics Features
| Feature | AMD Radeon HD 6990 | 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
48
Detailed Features
More Comparisons with AMD Radeon HD 6990
Compare AMD Radeon HD 6990 with other GPUs of similar performance
AMD Radeon HD 6990 vs GeForce GTX 1650
GeForce GTX 1650 Performance119%
GeForce GTX 1650 is 19% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs Radeon RX 6400
Radeon RX 6400 Performance117%
Radeon RX 6400 is 17% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs Arc A380
Arc A380 Performance115%
Arc A380 is 15% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs GeForce GTX 780
GeForce GTX 780 Performance115%
GeForce GTX 780 is 15% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance104%
Radeon HD 7970 GHz Edition is 4% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs GeForce GTX 590
GeForce GTX 590 Performance104%
GeForce GTX 590 is 4% faster than AMD Radeon HD 6990
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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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