AMD Radeon HD 7790 vs AMD Radeon HD 7950 Boost Full Specs
896 Shaders 1GHz | 2,048 Shaders 925MHz |
1GB GDDR596GB/s | 3GB GDDR5240GB/s |
·· 1.79 TFLOPS | ·· 3.79 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 85W | TDP 225W |
Power Connectors 1x 6-Pin | Power Connectors 2x 6-Pin |
Clock Speed ·· | Clock Speed ··· |
Peak OPS 1.79 TFLOPSFP32 | Peak OPS 3.79 TFLOPSFP32 |
FP32 1.79 TFLOPS | FP32 3.79 TFLOPS |
FP64 112 GFLOPS | FP64 947.2 GFLOPS |
Pixel Rate 16 GPixel/s | Pixel Rate 29.6 GPixel/s |
Texture Rate 56 GTexel/s | Texture Rate 103.6 GTexel/s |
Shaders 896 Shaders | Shaders 2,048 Shaders |
TMUs 56 TMUs | TMUs 112 TMUs |
ROPs 16 ROPs | ROPs 32 ROPs |
CUs 14 CUs | CUs 32 CUs |
Base Clock - | Base Clock 850MHz |
Boost Clock 1GHz | Boost Clock 925MHz |
L2 Cache 256KB shared | L2 Cache 768KB shared |
1GB GDDR5 | 3GB GDDR5 |
Memory Bus 128-bit | Memory Bus 384-bit |
Memory Speed 6GT/s | Memory Speed 5GT/s |
Memory Bandwidth 96GB/s | Memory Bandwidth 240GB/s |
ECC No | ECC No |
TDP 85W | TDP 225W |
Multi-Monitor 3 | Multi-Monitor 3 |
2x Mini DisplayPort 1.2 1x HDMI 1.4 1x DVI-I Dual-Link | 2x Mini DisplayPort 1.2 1x HDMI 1.4 1x DVI-I Dual-Link |
Encoder Model VCE 2.0 | Encoder Model VCE 1.0 |
Codec AVC (H.264) | Codec AVC (H.264) |
Decoder Model UVD 4.2 | Decoder Model UVD 3.2 |
Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264) | Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264) |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 2-Slots | PCIe 2-Slots |
Height 111 mm (4.37")Width 183 mm (7.21")Depth 37 mm (1.46") | Height 111 mm (4.37")Width 275 mm (10.83")Depth 38 mm (1.5") |
Cooling Open-Air 1x Fan | Cooling Open-Air 1x Fan |
Power Connectors 1x 6-Pin | Power Connectors 2x 6-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Bonaire | Codename Tahiti |
Chip Variant Bonaire XT | Chip Variant Tahiti LE |
Market Segment Desktop | Market Segment Desktop |
Release Date Mar 22, 2013 | Release Date Jun 22, 2012 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 160mm² | Die Size 352mm² |
Transistor Count 2.1 Billion | Transistor Count 4.3 Billion |
Transistor Density 13 MTr/mm² | Transistor Density 12.25 MTr/mm² |