GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce 9400 GT
4%
4%
AMD Radeon HD 6990
2504%
2504%
AMD Radeon HD 6990 is approximately 2500% faster
Technical Specifications
| Specification | NVIDIA GeForce 9400 GT | AMD Radeon HD 6990 |
|---|---|---|
| Graphics ProcessorDifferent | G86S | Antilles x2 |
| CoresDifferent | 16 | 1536 x2 |
| TMUsDifferent | 8 | 96 x2 |
| ROPsDifferent | 4 | 32 x2 |
| Memory SizeDifferent | 128 MB | 2 GB x2 |
| Memory TypeDifferent | DDR2 | GDDR5 |
| Bus WidthDifferent | 64 bit | 256 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6990 |
|---|---|---|
| GPU NameDifferent | G86S | Antilles |
| ArchitectureDifferent | Tesla | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 80 nm | 40 nm |
| TransistorsDifferent | 210 million | 2,640 million |
| DensityDifferent | 1.7M / mm² | 6.8M / mm² |
| Die SizeDifferent | 127 mm² | 389 mm² |
| Chip PackageDifferent | BGA-533 | N/A |
| GPU VariantDifferent | N/A | Antilles XT(215-0807027) |
Graphics Card
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6990 |
|---|---|---|
| Release DateDifferent | Aug 1st, 2008 | Mar 8th, 2011 |
| GenerationDifferent | GeForce 9(9400) | Northern Islands(HD 6900) |
| 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 | 47 in our database |
| Launch PriceDifferent | N/A | 699 USD |
Clock Speeds
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6990 |
|---|---|---|
| GPU ClockDifferent | 459 MHz | 830 MHz |
| Shader ClockDifferent | 918 MHz | N/A |
| Memory ClockDifferent | 600 MHz1200 Mbps effective | 1250 MHz5 Gbps effective |
Memory
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6990 |
|---|---|---|
| Memory SizeDifferent | 128 MB | 2 GB |
| Memory TypeDifferent | DDR2 | GDDR5 |
| Memory BusDifferent | 64 bit | 256 bit |
| BandwidthDifferent | 9.600 GB/s | 160.0 GB/s |
Render Config
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6990 |
|---|---|---|
| Shading UnitsDifferent | 16 | 1536 |
| TMUsDifferent | 8 | 96 |
| ROPsDifferent | 4 | 32 |
| SM CountDifferent | 2 | N/A |
| L2 CacheDifferent | 16 KB | 512 KB |
| Compute UnitsDifferent | N/A | 24 |
| L1 CacheDifferent | N/A | 8 KB (per CU) |
Theoretical Performance
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6990 |
|---|---|---|
| Pixel RateDifferent | 1.836 GPixel/s | 26.56 GPixel/s |
| Texture RateDifferent | 3.672 GTexel/s | 79.68 GTexel/s |
| FP32 (float)Different | 29.38 GFLOPS | 2.550 TFLOPS |
| FP64 (double)Different | N/A | 637.4 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6990 |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| LengthDifferent | 168 mm6.6 inches | 310 mm12.2 inches |
| TDPDifferent | 50 W | 375 W |
| Suggested PSUDifferent | 250 W | 750 W |
| OutputsDifferent | 1x DVI1x VGA1x S-Video | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | None | 2x 8-pin |
| Board NumberDifferent | P403, P729 SKU 0 | 109-C20647-00 |
| HeightDifferent | N/A | 115 mm4.5 inches |
| WidthDifferent | N/A | 40 mm1.6 inches |
Graphics Features
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 6990 |
|---|---|---|
| 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
51
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 6990
Compare AMD Radeon HD 6990 with other GPUs of similar performance
AMD Radeon HD 6990 vs GeForce GTX 1650
GeForce GTX 1650 Performance119%
GeForce GTX 1650 is 19% faster than AMD Radeon HD 6990
Compare Detailed Specs
AMD Radeon HD 6990 vs Radeon RX 6400
Radeon RX 6400 Performance117%
Radeon RX 6400 is 17% faster than AMD Radeon HD 6990
Compare Detailed Specs
AMD Radeon HD 6990 vs Arc A380
Arc A380 Performance115%
Arc A380 is 15% faster than AMD Radeon HD 6990
Compare Detailed Specs
AMD Radeon HD 6990 vs GeForce GTX 780
GeForce GTX 780 Performance115%
GeForce GTX 780 is 15% faster than AMD Radeon HD 6990
Compare Detailed Specs
AMD Radeon HD 6990 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance104%
Radeon HD 7970 GHz Edition is 4% faster than AMD Radeon HD 6990
Compare Detailed Specs
AMD Radeon HD 6990 vs GeForce GTX 590
GeForce GTX 590 Performance104%
GeForce GTX 590 is 4% faster than AMD Radeon HD 6990
Compare Detailed Specs