GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce GT 640
64%
64%
AMD Radeon HD 7750
156%
156%
AMD Radeon HD 7750 is approximately 92% faster
Technical Specifications
| Specification | NVIDIA GeForce GT 640 | AMD Radeon HD 7750 |
|---|---|---|
| Graphics ProcessorDifferent | GK107 | Cape Verde |
| CoresDifferent | 384 | 512 |
| TMUs | 32 | 32 |
| ROPs | 16 | 16 |
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory TypeDifferent | DDR3 | GDDR5 |
| Bus Width | 128 bit | 128 bit |
Graphics Processor
| Feature | NVIDIA GeForce GT 640 | AMD Radeon HD 7750 |
|---|---|---|
| GPU NameDifferent | GK107 | Cape Verde |
| GPU VariantDifferent | GK107-300-A2 | Cape Verde PRO(215-0825156) |
| ArchitectureDifferent | Kepler | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 1,270 million | 1,500 million |
| DensityDifferent | 10.8M / mm² | 12.2M / mm² |
| Die SizeDifferent | 118 mm² | 123 mm² |
| Chip PackageDifferent | BGA-908 | FCBGA-962 |
Graphics Card
| Feature | NVIDIA GeForce GT 640 | AMD Radeon HD 7750 |
|---|---|---|
| Release DateDifferent | Jun 5th, 2012 | Feb 15th, 2012 |
| GenerationDifferent | GeForce 600 | Southern Islands(HD 7700) |
| PredecessorDifferent | GeForce 500 | Northern Islands |
| SuccessorDifferent | GeForce 700 | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 99 USD | 109 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 8 in our database | 61 in our database |
Clock Speeds
| Feature | NVIDIA GeForce GT 640 | AMD Radeon HD 7750 |
|---|---|---|
| GPU ClockDifferent | 902 MHz | 800 MHz |
| Memory ClockDifferent | 891 MHz1782 Mbps effective | 1125 MHz4.5 Gbps effective |
Memory
| Feature | NVIDIA GeForce GT 640 | AMD Radeon HD 7750 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory TypeDifferent | DDR3 | GDDR5 |
| Memory Bus | 128 bit | 128 bit |
| BandwidthDifferent | 28.51 GB/s | 72.00 GB/s |
Render Config
| Feature | NVIDIA GeForce GT 640 | AMD Radeon HD 7750 |
|---|---|---|
| Shading UnitsDifferent | 384 | 512 |
| TMUs | 32 | 32 |
| ROPs | 16 | 16 |
| SMX CountDifferent | 2 | N/A |
| L1 CacheDifferent | 16 KB (per SMX) | 16 KB (per CU) |
| L2 Cache | 256 KB | 256 KB |
| Compute UnitsDifferent | N/A | 8 |
Theoretical Performance
| Feature | NVIDIA GeForce GT 640 | AMD Radeon HD 7750 |
|---|---|---|
| Pixel RateDifferent | 7.216 GPixel/s | 12.80 GPixel/s |
| Texture RateDifferent | 28.86 GTexel/s | 25.60 GTexel/s |
| FP32 (float)Different | 692.7 GFLOPS | 819.2 GFLOPS |
| FP64 (double)Different | 28.86 GFLOPS (1:24) | 51.20 GFLOPS (1:16) |
Board Design
| Feature | NVIDIA GeForce GT 640 | AMD Radeon HD 7750 |
|---|---|---|
| Slot Width | Single-slot | Single-slot |
| LengthDifferent | 145 mm5.7 inches | 168 mm6.6 inches |
| TDPDifferent | 65 W | 55 W |
| Suggested PSU | 250 W | 250 W |
| Outputs | 1x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | None | None |
| Board NumberDifferent | P2011 SKU 0 | C441, 109-C44537-00B |
Graphics Features
| Feature | NVIDIA GeForce GT 640 | AMD Radeon HD 7750 |
|---|---|---|
| DirectXDifferent | 12 (11_0) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 3.0 | 2.1 (1.2) |
| VulkanDifferent | 1.2.175 | 1.2.170 |
| CUDADifferent | 3.0 | N/A |
| Shader Model | 6.5 (5.1) | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
Detailed Features
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
Compare Detailed Specs
NVIDIA GeForce GT 640 vs Radeon HD 4830
Radeon HD 4830 Performance111%
Radeon HD 4830 is 11% faster than NVIDIA GeForce GT 640
Compare Detailed Specs
NVIDIA GeForce GT 640 vs Radeon HD 6670
Radeon HD 6670 Performance108%
Radeon HD 6670 is 8% faster than NVIDIA GeForce GT 640
Compare Detailed Specs
NVIDIA GeForce GT 640 vs GeForce 9800 GT
GeForce 9800 GT Performance103%
GeForce 9800 GT is 3% faster than NVIDIA GeForce GT 640
Compare Detailed Specs
NVIDIA GeForce GT 640 vs GeForce GT 640
GeForce GT 640 Performance100%
GeForce GT 640 is 0% slower than NVIDIA GeForce GT 640
Compare Detailed Specs
NVIDIA GeForce GT 640 vs Radeon HD 5670
Radeon HD 5670 Performance93%
Radeon HD 5670 is 7% slower than NVIDIA GeForce GT 640
Compare Detailed Specs
More Comparisons with AMD Radeon HD 7750
Compare AMD Radeon HD 7750 with other GPUs of similar performance
AMD Radeon HD 7750 vs Radeon HD 4890
Radeon HD 4890 Performance120%
Radeon HD 4890 is 20% faster than AMD Radeon HD 7750
Compare Detailed Specs
AMD Radeon HD 7750 vs Radeon HD 6790
Radeon HD 6790 Performance118%
Radeon HD 6790 is 18% faster than AMD Radeon HD 7750
Compare Detailed Specs
AMD Radeon HD 7750 vs Radeon HD 5830
Radeon HD 5830 Performance112%
Radeon HD 5830 is 12% faster than AMD Radeon HD 7750
Compare Detailed Specs
AMD Radeon HD 7750 vs GeForce GTX 650
GeForce GTX 650 Performance106%
GeForce GTX 650 is 6% faster than AMD Radeon HD 7750
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AMD Radeon HD 7750 vs GeForce GTX 550 Ti
GeForce GTX 550 Ti Performance105%
GeForce GTX 550 Ti is 5% faster than AMD Radeon HD 7750
Compare Detailed Specs
AMD Radeon HD 7750 vs Radeon HD 4870
Radeon HD 4870 Performance104%
Radeon HD 4870 is 4% faster than AMD Radeon HD 7750
Compare Detailed Specs