GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce 9800 GT
103%
103%
NVIDIA GeForce GT 640
97%
97%
NVIDIA GeForce 9800 GT is approximately 6% faster
Technical Specifications
| Specification | NVIDIA GeForce 9800 GT | NVIDIA GeForce GT 640 |
|---|---|---|
| Graphics ProcessorDifferent | G92 | GK107 |
| CoresDifferent | 112 | 384 |
| TMUsDifferent | 56 | 32 |
| ROPs | 16 | 16 |
| Memory SizeDifferent | 512 MB | 2 GB |
| Memory TypeDifferent | GDDR3 | DDR3 |
| Bus WidthDifferent | 256 bit | 128 bit |
Graphics Processor
| Feature | NVIDIA GeForce 9800 GT | NVIDIA GeForce GT 640 |
|---|---|---|
| GPU NameDifferent | G92 | GK107 |
| GPU VariantDifferent | G92-270-A2 | GK107-300-A2 |
| ArchitectureDifferent | Tesla | Kepler |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 65 nm | 28 nm |
| TransistorsDifferent | 754 million | 1,270 million |
| DensityDifferent | 2.3M / mm² | 10.8M / mm² |
| Die SizeDifferent | 324 mm² | 118 mm² |
| Chip PackageDifferent | FCBGA-1148 | BGA-908 |
Graphics Card
| Feature | NVIDIA GeForce 9800 GT | NVIDIA GeForce GT 640 |
|---|---|---|
| Release DateDifferent | Jul 21st, 2008 | Jun 5th, 2012 |
| GenerationDifferent | GeForce 9(9800) | GeForce 600 |
| PredecessorDifferent | GeForce 8 | GeForce 500 |
| SuccessorDifferent | GeForce 200 | GeForce 700 |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 160 USD | 99 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 46 in our database | 8 in our database |
Clock Speeds
| Feature | NVIDIA GeForce 9800 GT | NVIDIA GeForce GT 640 |
|---|---|---|
| GPU ClockDifferent | 600 MHz | 902 MHz |
| Shader ClockDifferent | 1500 MHz | N/A |
| Memory ClockDifferent | 900 MHz1800 Mbps effective | 891 MHz1782 Mbps effective |
Memory
| Feature | NVIDIA GeForce 9800 GT | NVIDIA GeForce GT 640 |
|---|---|---|
| Memory SizeDifferent | 512 MB | 2 GB |
| Memory TypeDifferent | GDDR3 | DDR3 |
| Memory BusDifferent | 256 bit | 128 bit |
| BandwidthDifferent | 57.60 GB/s | 28.51 GB/s |
Render Config
| Feature | NVIDIA GeForce 9800 GT | NVIDIA GeForce GT 640 |
|---|---|---|
| Shading UnitsDifferent | 112 | 384 |
| TMUsDifferent | 56 | 32 |
| ROPs | 16 | 16 |
| SM CountDifferent | 14 | N/A |
| L2 CacheDifferent | 64 KB | 256 KB |
| SMX CountDifferent | N/A | 2 |
| L1 CacheDifferent | N/A | 16 KB (per SMX) |
Theoretical Performance
| Feature | NVIDIA GeForce 9800 GT | NVIDIA GeForce GT 640 |
|---|---|---|
| Pixel RateDifferent | 9.600 GPixel/s | 7.216 GPixel/s |
| Texture RateDifferent | 33.60 GTexel/s | 28.86 GTexel/s |
| FP32 (float)Different | 336.0 GFLOPS | 692.7 GFLOPS |
| FP64 (double)Different | N/A | 28.86 GFLOPS (1:24) |
Board Design
| Feature | NVIDIA GeForce 9800 GT | NVIDIA GeForce GT 640 |
|---|---|---|
| Slot Width | Single-slot | Single-slot |
| LengthDifferent | 229 mm9 inches | 145 mm5.7 inches |
| HeightDifferent | 111 mm4.4 inches | N/A |
| TDPDifferent | 125 W | 65 W |
| Suggested PSUDifferent | 300 W | 250 W |
| OutputsDifferent | 2x DVI1x S-Video | 1x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin | None |
| Board NumberDifferent | P360 SKU 50,P392 SKU 51, P393 SKU 0, P393 SKU 4, P393 SKU 14 | P2011 SKU 0 |
Graphics Features
| Feature | NVIDIA GeForce 9800 GT | NVIDIA GeForce GT 640 |
|---|---|---|
| DirectXDifferent | 11.1 (10_0) | 12 (11_0) |
| OpenGLDifferent | 3.3 | 4.6 |
| OpenCLDifferent | 1.1 | 3.0 |
| VulkanDifferent | N/A | 1.2.175 |
| CUDADifferent | 1.1 | 3.0 |
| Shader ModelDifferent | 4.0 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
Detailed Features
More Comparisons with NVIDIA GeForce 9800 GT
Compare NVIDIA GeForce 9800 GT with other GPUs of similar performance
NVIDIA GeForce 9800 GT vs Radeon HD 4770
Radeon HD 4770 Performance115%
Radeon HD 4770 is 15% faster than NVIDIA GeForce 9800 GT
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NVIDIA GeForce 9800 GT vs Radeon HD 4830
Radeon HD 4830 Performance107%
Radeon HD 4830 is 7% faster than NVIDIA GeForce 9800 GT
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NVIDIA GeForce 9800 GT vs Radeon HD 6670
Radeon HD 6670 Performance104%
Radeon HD 6670 is 4% faster than NVIDIA GeForce 9800 GT
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NVIDIA GeForce 9800 GT vs GeForce 9800 GT
GeForce 9800 GT Performance100%
GeForce 9800 GT is 0% slower than NVIDIA GeForce 9800 GT
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NVIDIA GeForce 9800 GT vs GeForce GT 640
GeForce GT 640 Performance97%
GeForce GT 640 is 3% slower than NVIDIA GeForce 9800 GT
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NVIDIA GeForce 9800 GT vs Radeon HD 5670
Radeon HD 5670 Performance90%
Radeon HD 5670 is 10% slower than NVIDIA GeForce 9800 GT
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More Comparisons with NVIDIA GeForce GT 640
Compare NVIDIA GeForce GT 640 with other GPUs of similar performance
NVIDIA GeForce GT 640 vs Radeon HD 4770
Radeon HD 4770 Performance119%
Radeon HD 4770 is 19% faster than NVIDIA GeForce GT 640
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NVIDIA GeForce GT 640 vs Radeon HD 4830
Radeon HD 4830 Performance111%
Radeon HD 4830 is 11% faster than NVIDIA GeForce GT 640
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NVIDIA GeForce GT 640 vs Radeon HD 6670
Radeon HD 6670 Performance108%
Radeon HD 6670 is 8% faster than NVIDIA GeForce GT 640
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NVIDIA GeForce GT 640 vs GeForce 9800 GT
GeForce 9800 GT Performance103%
GeForce 9800 GT is 3% faster than NVIDIA GeForce GT 640
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NVIDIA GeForce GT 640 vs GeForce GT 640
GeForce GT 640 Performance100%
GeForce GT 640 is 0% slower than NVIDIA GeForce GT 640
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NVIDIA GeForce GT 640 vs Radeon HD 5670
Radeon HD 5670 Performance93%
Radeon HD 5670 is 7% slower than NVIDIA GeForce GT 640
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