GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce 9400 GT
11%
11%
AMD Radeon HD 6790
898%
898%
AMD Radeon HD 6790 is approximately 887% faster
Technical Specifications
| Specification | NVIDIA GeForce 9400 GT | AMD Radeon HD 6790 |
|---|---|---|
| Graphics ProcessorDifferent | G86S | Barts |
| CoresDifferent | 16 | 800 |
| TMUsDifferent | 8 | 40 |
| ROPsDifferent | 4 | 16 |
| Memory SizeDifferent | 128 MB | 1024 MB |
| Memory TypeDifferent | DDR2 | GDDR5 |
| Bus WidthDifferent | 64 bit | 256 bit |
Graphics Processor
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6790 |
|---|---|---|
| GPU NameDifferent | G86S | Barts |
| ArchitectureDifferent | Tesla | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 80 nm | 40 nm |
| TransistorsDifferent | 210 million | 1,700 million |
| DensityDifferent | 1.7M / mm² | 6.7M / mm² |
| Die SizeDifferent | 127 mm² | 255 mm² |
| Chip PackageDifferent | BGA-533 | HFCBGA-1737 |
| GPU VariantDifferent | N/A | Barts LE(215-0798002) |
Graphics Card
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6790 |
|---|---|---|
| Release DateDifferent | Aug 1st, 2008 | Apr 4th, 2011 |
| GenerationDifferent | GeForce 9(9400) | Northern Islands(HD 6700) |
| PredecessorDifferent | GeForce 8 | Evergreen |
| SuccessorDifferent | GeForce 200 | Southern Islands |
| Production | End-of-life | End-of-life |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 6 in our database | 37 in our database |
| Launch PriceDifferent | N/A | 149 USD |
Clock Speeds
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6790 |
|---|---|---|
| GPU ClockDifferent | 459 MHz | 840 MHz |
| Shader ClockDifferent | 918 MHz | N/A |
| Memory ClockDifferent | 600 MHz1200 Mbps effective | 1050 MHz4.2 Gbps effective |
Memory
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6790 |
|---|---|---|
| Memory SizeDifferent | 128 MB | 1024 MB |
| Memory TypeDifferent | DDR2 | GDDR5 |
| Memory BusDifferent | 64 bit | 256 bit |
| BandwidthDifferent | 9.600 GB/s | 134.4 GB/s |
Render Config
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6790 |
|---|---|---|
| Shading UnitsDifferent | 16 | 800 |
| TMUsDifferent | 8 | 40 |
| ROPsDifferent | 4 | 16 |
| SM CountDifferent | 2 | N/A |
| L2 CacheDifferent | 16 KB | 512 KB |
| Compute UnitsDifferent | N/A | 10 |
| L1 CacheDifferent | N/A | 8 KB (per CU) |
Theoretical Performance
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6790 |
|---|---|---|
| Pixel RateDifferent | 1.836 GPixel/s | 13.44 GPixel/s |
| Texture RateDifferent | 3.672 GTexel/s | 33.60 GTexel/s |
| FP32 (float)Different | 29.38 GFLOPS | 1,344.0 GFLOPS |
Board Design
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6790 |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| LengthDifferent | 168 mm6.6 inches | 198 mm7.8 inches |
| TDPDifferent | 50 W | 150 W |
| Suggested PSUDifferent | 250 W | 450 W |
| OutputsDifferent | 1x DVI1x VGA1x S-Video | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 |
| Power ConnectorsDifferent | None | 2x 6-pin |
| Board NumberDifferent | P403, P729 SKU 0 | C220, 109-C22237-00 |
Graphics Features
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6790 |
|---|---|---|
| DirectXDifferent | 11.1 (10_0) | 11.2 (11_0) |
| OpenGLDifferent | 3.3 | 4.4 |
| OpenCLDifferent | 1.1 | 1.2 |
| Vulkan | N/A | N/A |
| CUDADifferent | 1.1 | N/A |
| CUDA SDKDifferent | 6.5 | N/A |
| Shader ModelDifferent | 4.0 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
48
Detailed Features
More Comparisons with NVIDIA GeForce 9400 GT
Compare NVIDIA GeForce 9400 GT with other GPUs of similar performance
NVIDIA GeForce 9400 GT vs GeForce 9400 GT
GeForce 9400 GT Performance100%
GeForce 9400 GT is 0% slower than NVIDIA GeForce 9400 GT
Compare Detailed Specs
NVIDIA GeForce 9400 GT vs GeForce 9400 GT
GeForce 9400 GT Performance100%
GeForce 9400 GT is 0% slower than NVIDIA GeForce 9400 GT
Compare Detailed Specs
NVIDIA GeForce 9400 GT vs GeForce 9400 GT
GeForce 9400 GT Performance100%
GeForce 9400 GT is 0% slower than NVIDIA GeForce 9400 GT
Compare Detailed Specs
More Comparisons with AMD Radeon HD 6790
Compare AMD Radeon HD 6790 with other GPUs of similar performance
AMD Radeon HD 6790 vs GeForce GTX 285
GeForce GTX 285 Performance119%
GeForce GTX 285 is 19% faster than AMD Radeon HD 6790
Compare Detailed Specs
AMD Radeon HD 6790 vs Radeon HD 6850
Radeon HD 6850 Performance116%
Radeon HD 6850 is 16% faster than AMD Radeon HD 6790
Compare Detailed Specs
AMD Radeon HD 6790 vs GeForce GTX 280
GeForce GTX 280 Performance109%
GeForce GTX 280 is 9% faster than AMD Radeon HD 6790
Compare Detailed Specs
AMD Radeon HD 6790 vs Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition Performance109%
Radeon HD 7770 GHz Edition is 9% faster than AMD Radeon HD 6790
Compare Detailed Specs
AMD Radeon HD 6790 vs GeForce GTX 275
GeForce GTX 275 Performance108%
GeForce GTX 275 is 8% faster than AMD Radeon HD 6790
Compare Detailed Specs
AMD Radeon HD 6790 vs GeForce GTX 460
GeForce GTX 460 Performance106%
GeForce GTX 460 is 6% faster than AMD Radeon HD 6790
Compare Detailed Specs