amd
Brand1GB GDDR5
Memory640
Cores72 GB/s
BandwidthAMD Radeon HD 7770 GHz Edition
amd
Brand8GB GDDR5
Memory2816
Cores384 GB/s
BandwidthAMD Radeon R9 390X
AMD Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition
$159 • Feb 2012
Radeon R9 390X
$429 • Jun 2015
AMD Radeon R9 390X
Specs Comparison
| Specification | AMD Radeon HD 7770 GHz Edition | AMD Radeon R9 390X |
|---|---|---|
| Memory Size | 1 GB | 8 GB |
| Memory Type | GDDR5 | GDDR5 |
| TDP | 80 W | 275 W |
| Core Clock | N/A | N/A |
| Boost Clock | N/A | N/A |
| Memory Bandwidth | 72 GB/s | 384 GB/s |
| Process Size | 28nm | 28nm |
| Architecture | GCN 1.0 | GCN 2.0 |
| Shading Units | 640 | 2816 |
| RT Cores | N/A | N/A |
| TMUs | 40 | 176 |
| ROPs | 16 | 64 |
| Memory Bus | 128-bit | 512-bit |
| Memory Clock | 1125 MHz | 1500 MHz |
| Pixel Rate | 16 GPixel/s | 67.2 GPixel/s |
| Texture Rate | 72 GTexel/s | 384 GTexel/s |
| FP32 Performance | 1 GFLOPS | 5.914 GFLOPS |
| L2 Cache | 0.25 MB | 1.00 MB |
| Die Size | 123 mm² | 438 mm² |
| Transistors | 1500 Million | 6200 Million |
| Required PSU | 250 W | 600 W |
| Power Connectors | 1x 6-pin | 1x 6-pin + 1x 8-pin |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| DirectX | 11.1 | 12 |
| Vulkan | N/A | N/A |
| 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 R9 390X
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 R9 390X
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 R9 390X
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
AMD Radeon HD 7770 GHz Edition
AMD Radeon R9 390X
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 R9 390X Wins!
Based on 4 synthetic benchmarks
AMD Radeon HD 7770 GHz Edition
AMD • 1GB GDDR5
AMD Radeon R9 390X
AMD • 8GB GDDR5
Most Compared GPUs
Comments & Discussion
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