GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce 9400 GT
7%
7%
AMD Radeon HD 7850
1503%
1503%
AMD Radeon HD 7850 is approximately 1496% faster
Technical Specifications
| Specification | NVIDIA GeForce 9400 GT | AMD Radeon HD 7850 |
|---|---|---|
| Graphics ProcessorDifferent | G86S | Pitcairn |
| CoresDifferent | 16 | 1024 |
| TMUsDifferent | 8 | 64 |
| ROPsDifferent | 4 | 32 |
| Memory SizeDifferent | 128 MB | 2 GB |
| Memory TypeDifferent | DDR2 | GDDR5 |
| Bus WidthDifferent | 64 bit | 256 bit |
Graphics Processor
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 7850 |
|---|---|---|
| GPU NameDifferent | G86S | Pitcairn |
| ArchitectureDifferent | Tesla | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 80 nm | 28 nm |
| TransistorsDifferent | 210 million | 2,800 million |
| DensityDifferent | 1.7M / mm² | 13.2M / mm² |
| Die SizeDifferent | 127 mm² | 212 mm² |
| Chip PackageDifferent | BGA-533 | FCBGA-1737 |
| GPU VariantDifferent | N/A | Pitcairn PRO(215-0828062) |
Graphics Card
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 7850 |
|---|---|---|
| Release DateDifferent | Aug 1st, 2008 | Mar 5th, 2012 |
| GenerationDifferent | GeForce 9(9400) | Southern Islands(HD 7800) |
| PredecessorDifferent | GeForce 8 | Northern Islands |
| SuccessorDifferent | GeForce 200 | Sea Islands |
| Production | End-of-life | End-of-life |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 6 in our database | 71 in our database |
| Launch PriceDifferent | N/A | 249 USD |
Clock Speeds
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 7850 |
|---|---|---|
| GPU ClockDifferent | 459 MHz | 860 MHz |
| Shader ClockDifferent | 918 MHz | N/A |
| Memory ClockDifferent | 600 MHz1200 Mbps effective | 1200 MHz4.8 Gbps effective |
Memory
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 7850 |
|---|---|---|
| Memory SizeDifferent | 128 MB | 2 GB |
| Memory TypeDifferent | DDR2 | GDDR5 |
| Memory BusDifferent | 64 bit | 256 bit |
| BandwidthDifferent | 9.600 GB/s | 153.6 GB/s |
Render Config
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 7850 |
|---|---|---|
| Shading UnitsDifferent | 16 | 1024 |
| TMUsDifferent | 8 | 64 |
| ROPsDifferent | 4 | 32 |
| SM CountDifferent | 2 | N/A |
| L2 CacheDifferent | 16 KB | 512 KB |
| Compute UnitsDifferent | N/A | 16 |
| L1 CacheDifferent | N/A | 16 KB (per CU) |
Theoretical Performance
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 7850 |
|---|---|---|
| Pixel RateDifferent | 1.836 GPixel/s | 27.52 GPixel/s |
| Texture RateDifferent | 3.672 GTexel/s | 55.04 GTexel/s |
| FP32 (float)Different | 29.38 GFLOPS | 1.761 TFLOPS |
| FP64 (double)Different | N/A | 110.1 GFLOPS (1:16) |
Board Design
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 7850 |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| LengthDifferent | 168 mm6.6 inches | 210 mm8.3 inches |
| TDPDifferent | 50 W | 130 W |
| Suggested PSUDifferent | 250 W | 300 W |
| OutputsDifferent | 1x DVI1x VGA1x S-Video | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | None | 1x 6-pin |
| Board NumberDifferent | P403, P729 SKU 0 | 109-C40147-00, 109-C40337-00A |
Graphics Features
| Feature | NVIDIA GeForce 9400 GT | AMD Radeon HD 7850 |
|---|---|---|
| DirectXDifferent | 11.1 (10_0) | 12 (11_1) |
| OpenGLDifferent | 3.3 | 4.6 |
| OpenCLDifferent | 1.1 | 2.1 (1.2) |
| VulkanDifferent | N/A | 1.2.170 |
| CUDADifferent | 1.1 | N/A |
| CUDA SDKDifferent | 6.5 | N/A |
| Shader ModelDifferent | 4.0 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
Detailed Features
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NVIDIA GeForce 9400 GT vs GeForce 9400 GT
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NVIDIA GeForce 9400 GT vs GeForce 9400 GT
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AMD Radeon HD 7850 vs GeForce GTX 570
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AMD Radeon HD 7850 vs GeForce GTX 660
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AMD Radeon HD 7850 vs Radeon R7 370
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AMD Radeon HD 7850 vs Radeon HD 6970
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