GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7990
141%
141%
AMD Radeon HD 7970 GHz Edition
71%
71%
AMD Radeon HD 7990 is approximately 70% faster
Technical Specifications
| Specification | AMD Radeon HD 7990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Graphics ProcessorDifferent | Malta x2 | Tahiti |
| CoresDifferent | 2048 x2 | 2048 |
| TMUsDifferent | 128 x2 | 128 |
| ROPsDifferent | 32 x2 | 32 |
| Memory SizeDifferent | 3 GB x2 | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit x2 | 384 bit |
Graphics Processor
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| GPU NameDifferent | Malta | Tahiti |
| GPU VariantDifferent | Malta XT(215-0849026) | Tahiti XT2(215-0821065) |
| Architecture | GCN 1.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| Transistors | 4,313 million | 4,313 million |
| DensityDifferent | 11.8M / mm² | 12.3M / mm² |
| Die SizeDifferent | 365 mm² | 352 mm² |
Graphics Card
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Release DateDifferent | Apr 24th, 2013 | Jun 22nd, 2012 |
| Generation | Southern Islands(HD 7900) | Southern Islands(HD 7900) |
| Predecessor | Northern Islands | Northern Islands |
| Successor | Sea Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 999 USD | 499 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 37 in our database | 191 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Base ClockDifferent | 950 MHz | 1000 MHz |
| Boost ClockDifferent | 1000 MHz | 1050 MHz |
| Memory Clock | 1500 MHz6 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Memory Size | 3 GB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 384 bit | 384 bit |
| Bandwidth | 288.0 GB/s | 288.0 GB/s |
Render Config
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Shading Units | 2048 | 2048 |
| TMUs | 128 | 128 |
| ROPs | 32 | 32 |
| Compute Units | 32 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 768 KB | 768 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Pixel RateDifferent | 32.00 GPixel/s | 33.60 GPixel/s |
| Texture RateDifferent | 128.0 GTexel/s | 134.4 GTexel/s |
| FP32 (float)Different | 4.096 TFLOPS | 4.301 TFLOPS |
| FP64 (double)Different | 1,024.0 GFLOPS (1:4) | 1,075.2 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 304 mm12 inches | 275 mm10.8 inches |
| HeightDifferent | 106 mm4.2 inches | 111 mm4.4 inches |
| Width | 38 mm1.5 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-C47637-00A_02 | 109-C38637-00 |
Graphics Features
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| DirectX | 12 (11_1) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 (1.2) | 2.1 (1.2) |
| VulkanDifferent | 1.2.175 | 1.2.170 |
| Shader Model | 6.5 (5.1) | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
Detailed Features
More Comparisons with AMD Radeon HD 7990
Compare AMD Radeon HD 7990 with other GPUs of similar performance
AMD Radeon HD 7990 vs Radeon RX 590
Radeon RX 590 Performance115%
Radeon RX 590 is 15% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs Radeon R9 FURY
Radeon R9 FURY Performance112%
Radeon R9 FURY is 12% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs GeForce GTX 980
GeForce GTX 980 Performance111%
GeForce GTX 980 is 11% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance110%
GeForce GTX 1650 SUPER is 10% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs Radeon RX 6500 XT
Radeon RX 6500 XT Performance109%
Radeon RX 6500 XT is 9% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs Radeon RX 5500 XT
Radeon RX 5500 XT Performance108%
Radeon RX 5500 XT is 8% faster than AMD Radeon HD 7990
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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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