amd
Brand1GB GDDR5
Memory640
Cores72 GB/s
BandwidthAMD Radeon HD 7770 GHz Edition
amd
Brand8GB GDDR6
Memory2048
Cores256 GB/s
BandwidthAMD Radeon RX 6600 XT
AMD Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition
$159 • Feb 2012
Radeon RX 6600 XT
$379 • Jul 2021
AMD Radeon RX 6600 XT
Specs Comparison
| Specification | AMD Radeon HD 7770 GHz Edition | AMD Radeon RX 6600 XT |
|---|---|---|
| Memory Size | 1 GB | 8 GB |
| Memory Type | GDDR5 | GDDR6 |
| TDP | 80 W | 160 W |
| Core Clock | N/A | N/A |
| Boost Clock | N/A | 2589 MHz |
| Memory Bandwidth | 72 GB/s | 256 GB/s |
| Process Size | 28nm | 7nm |
| Architecture | GCN 1.0 | RDNA 2.0 |
| Shading Units | 640 | 2048 |
| RT Cores | N/A | 32 |
| TMUs | 40 | 128 |
| ROPs | 16 | 64 |
| Memory Bus | 128-bit | 128-bit |
| Memory Clock | 1125 MHz | 2000 MHz |
| Pixel Rate | 16 GPixel/s | 165.7 GPixel/s |
| Texture Rate | 72 GTexel/s | 256 GTexel/s |
| FP32 Performance | 1 GFLOPS | 10.6 GFLOPS |
| L2 Cache | 0.25 MB | 2.00 MB |
| Die Size | 123 mm² | 237 mm² |
| Transistors | 1500 Million | 11060 Million |
| Required PSU | 250 W | 450 W |
| Power Connectors | 1x 6-pin | 1x 8-pin |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| DirectX | 11.1 | 12.2 |
| Vulkan | N/A | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Foundry | TSMC | TSMC |
Comparison in Synthetic Benchmarks
3DMark Time Spy
Synthetic DirectX 12 benchmark that measures GPU performance in gaming workloads
Graphics Score
AMD Radeon HD 7770 GHz Edition
AMD Radeon RX 6600 XT
Geekbench 6
Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs
OpenCL Score
AMD Radeon HD 7770 GHz Edition
AMD Radeon RX 6600 XT
GFXBench 5.0
Cross-platform 3D graphics benchmark suite that measures GPU performance across different APIs
Aztec Ruins High (FPS)
AMD Radeon HD 7770 GHz Edition
AMD Radeon RX 6600 XT
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
AMD Radeon HD 7770 GHz Edition
AMD Radeon RX 6600 XT
Game Benchmarks Comparison
No game benchmarks available for this combination of GPUs yet.
We're working on collecting performance data for this combination of GPUs. Please check back later.
AMD Radeon RX 6600 XT Wins!
Based on 4 synthetic benchmarks
AMD Radeon HD 7770 GHz Edition
AMD • 1GB GDDR5
AMD Radeon RX 6600 XT
AMD • 8GB GDDR6
Most Compared GPUs
Comments & Discussion
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