GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7970 GHz Edition
AMD Radeon HD 7850
Technical Specifications
| Specification | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Pitcairn |
| CoresDifferent | 2048 | 1024 |
| TMUsDifferent | 128 | 64 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 3 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| GPU NameDifferent | Tahiti | Pitcairn |
| GPU VariantDifferent | Tahiti XT2(215-0821065) | Pitcairn PRO(215-0828062) |
| Architecture | GCN 1.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 4,313 million | 2,800 million |
| DensityDifferent | 12.3M / mm² | 13.2M / mm² |
| Die SizeDifferent | 352 mm² | 212 mm² |
| Chip PackageDifferent | N/A | FCBGA-1737 |
Graphics Card
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Release DateDifferent | Jun 22nd, 2012 | Mar 5th, 2012 |
| GenerationDifferent | Southern Islands(HD 7900) | Southern Islands(HD 7800) |
| Predecessor | Northern Islands | Northern Islands |
| Successor | Sea Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 499 USD | 249 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 191 in our database | 71 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Base ClockDifferent | 1000 MHz | N/A |
| Boost ClockDifferent | 1050 MHz | N/A |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1200 MHz4.8 Gbps effective |
| GPU ClockDifferent | N/A | 860 MHz |
Memory
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 288.0 GB/s | 153.6 GB/s |
Render Config
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 1024 |
| TMUsDifferent | 128 | 64 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 32 | 16 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 768 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Pixel RateDifferent | 33.60 GPixel/s | 27.52 GPixel/s |
| Texture RateDifferent | 134.4 GTexel/s | 55.04 GTexel/s |
| FP32 (float)Different | 4.301 TFLOPS | 1.761 TFLOPS |
| FP64 (double)Different | 1,075.2 GFLOPS (1:4) | 110.1 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 275 mm10.8 inches | 210 mm8.3 inches |
| HeightDifferent | 111 mm4.4 inches | N/A |
| WidthDifferent | 38 mm1.5 inches | N/A |
| TDPDifferent | 300 W | 130 W |
| Suggested PSUDifferent | 700 W | 300 W |
| Outputs | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 1x 6-pin |
| Board NumberDifferent | 109-C38637-00 | 109-C40147-00, 109-C40337-00A |
Graphics Features
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 7850 |
|---|---|---|
| DirectX | 12 (11_1) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 (1.2) | 2.1 (1.2) |
| Vulkan | 1.2.170 | 1.2.170 |
| Shader Model | 6.5 (5.1) | 6.5 (5.1) |
Comparison Summary
More Comparisons with AMD Radeon HD 7970 GHz Edition
Compare AMD Radeon HD 7970 GHz Edition with other GPUs of similar performance
AMD Radeon HD 7970 GHz Edition vs GeForce GTX 1650
GeForce GTX 1650 is 15% faster than AMD Radeon HD 7970 GHz Edition
AMD Radeon HD 7970 GHz Edition vs Radeon RX 6400
Radeon RX 6400 is 12% faster than AMD Radeon HD 7970 GHz Edition
AMD Radeon HD 7970 GHz Edition vs Arc A380
Arc A380 is 11% faster than AMD Radeon HD 7970 GHz Edition
AMD Radeon HD 7970 GHz Edition vs GeForce GTX 780
GeForce GTX 780 is 11% faster than AMD Radeon HD 7970 GHz Edition
AMD Radeon HD 7970 GHz Edition vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition is 0% slower than AMD Radeon HD 7970 GHz Edition
AMD Radeon HD 7970 GHz Edition vs GeForce GTX 590
GeForce GTX 590 is 0% slower than AMD Radeon HD 7970 GHz Edition
More Comparisons with AMD Radeon HD 7850
Compare AMD Radeon HD 7850 with other GPUs of similar performance
AMD Radeon HD 7850 vs GeForce GTX 950
GeForce GTX 950 is 20% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs Radeon RX 560
Radeon RX 560 is 13% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs GeForce GTX 570
GeForce GTX 570 is 11% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs GeForce GTX 660
GeForce GTX 660 is 11% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs Radeon R7 370
Radeon R7 370 is 10% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs Radeon HD 6970
Radeon HD 6970 is 6% faster than AMD Radeon HD 7850

