GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6600
512%
512%
AMD Radeon HD 6950
22%
22%
AMD Radeon RX 6600 is approximately 490% faster
Technical Specifications
| Specification | AMD Radeon RX 6600 | AMD Radeon HD 6950 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 23 | Cayman |
| CoresDifferent | 1792 | 1408 |
| TMUsDifferent | 112 | 88 |
| ROPsDifferent | 64 | 32 |
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 128 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon RX 6600 | AMD Radeon HD 6950 |
|---|---|---|
| GPU NameDifferent | Navi 23 | Cayman |
| GPU VariantDifferent | Navi 23 XL(215-130000016) | Cayman PRO(215-0807019) |
| ArchitectureDifferent | RDNA 2.0 | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 7 nm | 40 nm |
| TransistorsDifferent | 11,060 million | 2,640 million |
| DensityDifferent | 46.7M / mm² | 6.8M / mm² |
| Die SizeDifferent | 237 mm² | 389 mm² |
| Chip PackageDifferent | BGA-1269 | N/A |
Graphics Card
| Feature | AMD Radeon RX 6600 | AMD Radeon HD 6950 |
|---|---|---|
| Release DateDifferent | Oct 13th, 2021 | Dec 14th, 2010 |
| GenerationDifferent | Navi II(RX 6000) | Northern Islands(HD 6900) |
| PredecessorDifferent | Navi | Evergreen |
| SuccessorDifferent | Navi III | Southern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 329 USD | 299 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x8 | PCIe 2.0 x16 |
| ReviewsDifferent | 21 in our database | 111 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6600 | AMD Radeon HD 6950 |
|---|---|---|
| Base ClockDifferent | 1626 MHz | N/A |
| Game ClockDifferent | 2044 MHz | N/A |
| Boost ClockDifferent | 2491 MHz | N/A |
| Memory ClockDifferent | 1750 MHz14 Gbps effective | 1250 MHz5 Gbps effective |
| GPU ClockDifferent | N/A | 800 MHz |
Memory
| Feature | AMD Radeon RX 6600 | AMD Radeon HD 6950 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 128 bit | 256 bit |
| BandwidthDifferent | 224.0 GB/s | 160.0 GB/s |
Render Config
| Feature | AMD Radeon RX 6600 | AMD Radeon HD 6950 |
|---|---|---|
| Shading UnitsDifferent | 1792 | 1408 |
| TMUsDifferent | 112 | 88 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 28 | 22 |
| RT CoresDifferent | 28 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 8 KB (per CU) |
| L2 CacheDifferent | 2 MB | 512 KB |
| L3 CacheDifferent | 32 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6600 | AMD Radeon HD 6950 |
|---|---|---|
| Pixel RateDifferent | 159.4 GPixel/s | 25.60 GPixel/s |
| Texture RateDifferent | 279.0 GTexel/s | 70.40 GTexel/s |
| FP16 (half)Different | 17.86 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 8.928 TFLOPS | 2.253 TFLOPS |
| FP64 (double)Different | 558.0 GFLOPS (1:16) | 563.2 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon RX 6600 | AMD Radeon HD 6950 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 190 mm7.5 inches | 286 mm11.3 inches |
| HeightDifferent | 110 mm4.3 inches | 126 mm5 inches |
| WidthDifferent | 40 mm1.6 inches | 42 mm1.7 inches |
| TDPDifferent | 132 W | 200 W |
| Suggested PSUDifferent | 300 W | 550 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 8-pin | 2x 6-pin |
| Board NumberDifferent | D532 | 109-C21647-00 |
Graphics Features
| Feature | AMD Radeon RX 6600 | AMD Radeon HD 6950 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 | 1.2 |
| VulkanDifferent | 1.3 | N/A |
| Shader ModelDifferent | 6.8 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
55
Detailed Features
More Comparisons with AMD Radeon RX 6600
Compare AMD Radeon RX 6600 with other GPUs of similar performance
AMD Radeon RX 6600 vs GeForce RTX 2070 SUPER
GeForce RTX 2070 SUPER Performance118%
GeForce RTX 2070 SUPER is 18% faster than AMD Radeon RX 6600
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AMD Radeon RX 6600 vs GeForce GTX 1080 Ti
GeForce GTX 1080 Ti Performance117%
GeForce GTX 1080 Ti is 17% faster than AMD Radeon RX 6600
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AMD Radeon RX 6600 vs Arc A770
Arc A770 Performance117%
Arc A770 is 17% faster than AMD Radeon RX 6600
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AMD Radeon RX 6600 vs GeForce RTX 3060 12 GB
GeForce RTX 3060 12 GB Performance113%
GeForce RTX 3060 12 GB is 13% faster than AMD Radeon RX 6600
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AMD Radeon RX 6600 vs Radeon RX 6600 XT
Radeon RX 6600 XT Performance111%
Radeon RX 6600 XT is 11% faster than AMD Radeon RX 6600
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AMD Radeon RX 6600 vs Radeon VII
Radeon VII Performance111%
Radeon VII is 11% faster than AMD Radeon RX 6600
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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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