GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6990
156%
156%
AMD Radeon HD 6970
64%
64%
AMD Radeon HD 6990 is approximately 92% faster
Technical Specifications
| Specification | AMD Radeon HD 6990 | AMD Radeon HD 6970 |
|---|---|---|
| Graphics ProcessorDifferent | Antilles x2 | Cayman |
| CoresDifferent | 1536 x2 | 1536 |
| TMUsDifferent | 96 x2 | 96 |
| ROPsDifferent | 32 x2 | 32 |
| Memory SizeDifferent | 2 GB x2 | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit x2 | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 6970 |
|---|---|---|
| GPU NameDifferent | Antilles | Cayman |
| GPU VariantDifferent | Antilles XT(215-0807027) | Cayman XT(215-0807007) |
| Architecture | TeraScale 3 | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| Transistors | 2,640 million | 2,640 million |
| Density | 6.8M / mm² | 6.8M / mm² |
| Die Size | 389 mm² | 389 mm² |
Graphics Card
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 6970 |
|---|---|---|
| Release DateDifferent | Mar 8th, 2011 | Dec 14th, 2010 |
| Generation | Northern Islands(HD 6900) | Northern Islands(HD 6900) |
| Predecessor | Evergreen | Evergreen |
| Successor | Southern Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 699 USD | 369 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 47 in our database | 80 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 6970 |
|---|---|---|
| GPU ClockDifferent | 830 MHz | 880 MHz |
| Memory ClockDifferent | 1250 MHz5 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 6970 |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 160.0 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 6970 |
|---|---|---|
| Shading Units | 1536 | 1536 |
| TMUs | 96 | 96 |
| ROPs | 32 | 32 |
| Compute Units | 24 | 24 |
| L1 Cache | 8 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 6970 |
|---|---|---|
| Pixel RateDifferent | 26.56 GPixel/s | 28.16 GPixel/s |
| Texture RateDifferent | 79.68 GTexel/s | 84.48 GTexel/s |
| FP32 (float)Different | 2.550 TFLOPS | 2.703 TFLOPS |
| FP64 (double)Different | 637.4 GFLOPS (1:4) | 675.8 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 6970 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 310 mm12.2 inches | 286 mm11.3 inches |
| HeightDifferent | 115 mm4.5 inches | 126 mm5 inches |
| WidthDifferent | 40 mm1.6 inches | 42 mm1.7 inches |
| TDPDifferent | 375 W | 250 W |
| Suggested PSUDifferent | 750 W | 600 W |
| OutputsDifferent | 1x DVI4x mini-DisplayPort 1.2 | 2x 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-C20047-00 |
Graphics Features
| Feature | AMD Radeon HD 6990 | AMD Radeon HD 6970 |
|---|---|---|
| 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
46
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
Compare Detailed Specs
AMD Radeon HD 6990 vs Radeon RX 6400
Radeon RX 6400 Performance117%
Radeon RX 6400 is 17% faster than AMD Radeon HD 6990
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon HD 6990 vs GeForce GTX 590
GeForce GTX 590 Performance104%
GeForce GTX 590 is 4% faster than AMD Radeon HD 6990
Compare Detailed Specs
More Comparisons with AMD Radeon HD 6970
Compare AMD Radeon HD 6970 with other GPUs of similar performance
AMD Radeon HD 6970 vs GeForce GTX 1050
GeForce GTX 1050 Performance119%
GeForce GTX 1050 is 19% faster than AMD Radeon HD 6970
Compare Detailed Specs
AMD Radeon HD 6970 vs GeForce GTX 760
GeForce GTX 760 Performance118%
GeForce GTX 760 is 18% faster than AMD Radeon HD 6970
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AMD Radeon HD 6970 vs GeForce GTX 580
GeForce GTX 580 Performance118%
GeForce GTX 580 is 18% faster than AMD Radeon HD 6970
Compare Detailed Specs
AMD Radeon HD 6970 vs GeForce GTX 660 Ti
GeForce GTX 660 Ti Performance118%
GeForce GTX 660 Ti is 18% faster than AMD Radeon HD 6970
Compare Detailed Specs
AMD Radeon HD 6970 vs Radeon R9 270X
Radeon R9 270X Performance116%
Radeon R9 270X is 16% faster than AMD Radeon HD 6970
Compare Detailed Specs
AMD Radeon HD 6970 vs GeForce GTX 950
GeForce GTX 950 Performance113%
GeForce GTX 950 is 13% faster than AMD Radeon HD 6970
Compare Detailed Specs