GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6950
42%
42%
AMD Radeon R9 390
263%
263%
AMD Radeon R9 390 is approximately 221% faster
Technical Specifications
| Specification | AMD Radeon HD 6950 | AMD Radeon R9 390 |
|---|---|---|
| Graphics ProcessorDifferent | Cayman | Grenada |
| CoresDifferent | 1408 | 2560 |
| TMUsDifferent | 88 | 160 |
| ROPsDifferent | 32 | 64 |
| Memory SizeDifferent | 2 GB | 8 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit | 512 bit |
Graphics Processor
| Feature | AMD Radeon HD 6950 | AMD Radeon R9 390 |
|---|---|---|
| GPU NameDifferent | Cayman | Grenada |
| GPU VariantDifferent | Cayman PRO(215-0807019) | Grenada PRO(215-0880030) |
| ArchitectureDifferent | TeraScale 3 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 2,640 million | 6,200 million |
| DensityDifferent | 6.8M / mm² | 14.2M / mm² |
| Die SizeDifferent | 389 mm² | 438 mm² |
Graphics Card
| Feature | AMD Radeon HD 6950 | AMD Radeon R9 390 |
|---|---|---|
| Release DateDifferent | Dec 14th, 2010 | Jun 18th, 2015 |
| GenerationDifferent | Northern Islands(HD 6900) | Pirate Islands(R9 300) |
| PredecessorDifferent | Evergreen | Volcanic Islands |
| SuccessorDifferent | Southern Islands | Arctic Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 299 USD | 329 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 111 in our database | 35 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6950 | AMD Radeon R9 390 |
|---|---|---|
| GPU ClockDifferent | 800 MHz | 1000 MHz |
| Memory ClockDifferent | 1250 MHz5 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon HD 6950 | AMD Radeon R9 390 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 8 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 512 bit |
| BandwidthDifferent | 160.0 GB/s | 384.0 GB/s |
Render Config
| Feature | AMD Radeon HD 6950 | AMD Radeon R9 390 |
|---|---|---|
| Shading UnitsDifferent | 1408 | 2560 |
| TMUsDifferent | 88 | 160 |
| ROPsDifferent | 32 | 64 |
| Compute UnitsDifferent | 22 | 40 |
| L1 CacheDifferent | 8 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 512 KB | 1024 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6950 | AMD Radeon R9 390 |
|---|---|---|
| Pixel RateDifferent | 25.60 GPixel/s | 64.00 GPixel/s |
| Texture RateDifferent | 70.40 GTexel/s | 160.0 GTexel/s |
| FP32 (float)Different | 2.253 TFLOPS | 5.120 TFLOPS |
| FP64 (double)Different | 563.2 GFLOPS (1:4) | 640.0 GFLOPS (1:8) |
Board Design
| Feature | AMD Radeon HD 6950 | AMD Radeon R9 390 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 286 mm11.3 inches | 275 mm10.8 inches |
| HeightDifferent | 126 mm5 inches | 109 mm4.3 inches |
| WidthDifferent | 42 mm1.7 inches | 36 mm1.4 inches |
| TDPDifferent | 200 W | 275 W |
| Suggested PSUDifferent | 550 W | 600 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 6-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-C21647-00 | 109-C67157-00_02, C679 |
Graphics Features
| Feature | AMD Radeon HD 6950 | AMD Radeon R9 390 |
|---|---|---|
| DirectXDifferent | 11.2 (11_0) | 12 (12_0) |
| OpenGLDifferent | 4.4 | 4.6 |
| OpenCLDifferent | 1.2 | 2.1 |
| VulkanDifferent | N/A | 1.2.170 |
| Shader ModelDifferent | 5.0 | 6.5 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
46
Detailed Features
More Comparisons with AMD Radeon HD 6950
Compare AMD Radeon HD 6950 with other GPUs of similar performance
AMD Radeon HD 6950 vs Radeon RX 560
Radeon RX 560 Performance119%
Radeon RX 560 is 19% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 570
GeForce GTX 570 Performance117%
GeForce GTX 570 is 17% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 660
GeForce GTX 660 Performance117%
GeForce GTX 660 is 17% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs Radeon R7 370
Radeon R7 370 Performance116%
Radeon R7 370 is 16% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs Radeon HD 6970
Radeon HD 6970 Performance112%
Radeon HD 6970 is 12% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 480
GeForce GTX 480 Performance107%
GeForce GTX 480 is 7% faster than AMD Radeon HD 6950
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More Comparisons with AMD Radeon R9 390
Compare AMD Radeon R9 390 with other GPUs of similar performance
AMD Radeon R9 390 vs Radeon R9 FURY
Radeon R9 FURY Performance120%
Radeon R9 FURY is 20% faster than AMD Radeon R9 390
Compare Detailed Specs
AMD Radeon R9 390 vs GeForce GTX 980
GeForce GTX 980 Performance118%
GeForce GTX 980 is 18% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance117%
GeForce GTX 1650 SUPER is 17% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs Radeon RX 6500 XT
Radeon RX 6500 XT Performance116%
Radeon RX 6500 XT is 16% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs Radeon RX 5500 XT
Radeon RX 5500 XT Performance115%
Radeon RX 5500 XT is 15% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs Radeon RX 580
Radeon RX 580 Performance114%
Radeon RX 580 is 14% faster than AMD Radeon R9 390
Compare Detailed Specs