GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4830
89%
89%
ATI Radeon HD 4850
112%
112%
ATI Radeon HD 4850 is approximately 23% faster
Technical Specifications
| Specification | ATI Radeon HD 4830 | ATI Radeon HD 4850 |
|---|---|---|
| Graphics Processor | RV770 | RV770 |
| CoresDifferent | 640 | 800 |
| TMUsDifferent | 32 | 40 |
| ROPs | 16 | 16 |
| Memory Size | 512 MB | 512 MB |
| Memory Type | GDDR3 | GDDR3 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | ATI Radeon HD 4830 | ATI Radeon HD 4850 |
|---|---|---|
| GPU Name | RV770 | RV770 |
| GPU VariantDifferent | RV770 LE(215-0669075) | RV770 PRO(215-0669065) |
| Architecture | TeraScale | TeraScale |
| Foundry | TSMC | TSMC |
| Process Size | 55 nm | 55 nm |
| Transistors | 956 million | 956 million |
| Density | 3.7M / mm² | 3.7M / mm² |
| Die Size | 256 mm² | 256 mm² |
| Chip Package | HFCBGA-1492 | HFCBGA-1492 |
Graphics Card
| Feature | ATI Radeon HD 4830 | ATI Radeon HD 4850 |
|---|---|---|
| Release DateDifferent | Oct 21st, 2008 | Jun 25th, 2008 |
| Generation | Radeon R700(HD 4800) | Radeon R700(HD 4800) |
| Predecessor | Radeon R600 | Radeon R600 |
| Successor | Evergreen | Evergreen |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 130 USD | 199 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 43 in our database | 127 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4830 | ATI Radeon HD 4850 |
|---|---|---|
| GPU ClockDifferent | 575 MHz | 625 MHz |
| Memory ClockDifferent | 900 MHz1800 Mbps effective | 993 MHz1986 Mbps effective |
Memory
| Feature | ATI Radeon HD 4830 | ATI Radeon HD 4850 |
|---|---|---|
| Memory Size | 512 MB | 512 MB |
| Memory Type | GDDR3 | GDDR3 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 57.60 GB/s | 63.55 GB/s |
Render Config
| Feature | ATI Radeon HD 4830 | ATI Radeon HD 4850 |
|---|---|---|
| Shading UnitsDifferent | 640 | 800 |
| TMUsDifferent | 32 | 40 |
| ROPs | 16 | 16 |
| Compute UnitsDifferent | 8 | 10 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 256 KB | 256 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4830 | ATI Radeon HD 4850 |
|---|---|---|
| Pixel RateDifferent | 9.200 GPixel/s | 10.00 GPixel/s |
| Texture RateDifferent | 18.40 GTexel/s | 25.00 GTexel/s |
| FP32 (float)Different | 736.0 GFLOPS | 1,000.0 GFLOPS |
| FP64 (double)Different | 147.2 GFLOPS (1:5) | 200.0 GFLOPS (1:5) |
Board Design
| Feature | ATI Radeon HD 4830 | ATI Radeon HD 4850 |
|---|---|---|
| Slot Width | Single-slot | Single-slot |
| Length | 246 mm9.7 inches | 246 mm9.7 inches |
| HeightDifferent | 111 mm4.4 inches | N/A |
| WidthDifferent | 20 mm0.8 inches | N/A |
| TDPDifferent | 95 W | 110 W |
| Suggested PSUDifferent | 250 W | 300 W |
| Outputs | 2x DVI1x S-Video | 2x DVI1x S-Video |
| Power Connectors | 1x 6-pin | 1x 6-pin |
| Board NumberDifferent | 109-B50131-10 | 109-B50131-00 |
Graphics Features
| Feature | ATI Radeon HD 4830 | ATI Radeon HD 4850 |
|---|---|---|
| DirectX | 10.1 (10_1) | 10.1 (10_1) |
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | N/A | N/A |
| Shader Model | 4.1 | 4.1 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
Detailed Features
More Comparisons with ATI Radeon HD 4830
Compare ATI Radeon HD 4830 with other GPUs of similar performance
ATI Radeon HD 4830 vs GeForce GTS 450
GeForce GTS 450 Performance118%
GeForce GTS 450 is 18% faster than ATI Radeon HD 4830
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ATI Radeon HD 4830 vs GeForce GTS 250
GeForce GTS 250 Performance115%
GeForce GTS 250 is 15% faster than ATI Radeon HD 4830
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ATI Radeon HD 4830 vs Radeon HD 4850
Radeon HD 4850 Performance112%
Radeon HD 4850 is 12% faster than ATI Radeon HD 4830
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ATI Radeon HD 4830 vs Radeon HD 4770
Radeon HD 4770 Performance107%
Radeon HD 4770 is 7% faster than ATI Radeon HD 4830
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ATI Radeon HD 4830 vs Radeon HD 4830
Radeon HD 4830 Performance100%
Radeon HD 4830 is 0% slower than ATI Radeon HD 4830
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ATI Radeon HD 4830 vs Radeon HD 6670
Radeon HD 6670 Performance97%
Radeon HD 6670 is 3% slower than ATI Radeon HD 4830
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More Comparisons with ATI Radeon HD 4850
Compare ATI Radeon HD 4850 with other GPUs of similar performance
ATI Radeon HD 4850 vs Radeon HD 5750
Radeon HD 5750 Performance109%
Radeon HD 5750 is 9% faster than ATI Radeon HD 4850
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ATI Radeon HD 4850 vs GeForce GTS 450
GeForce GTS 450 Performance105%
GeForce GTS 450 is 5% faster than ATI Radeon HD 4850
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ATI Radeon HD 4850 vs GeForce GTS 250
GeForce GTS 250 Performance102%
GeForce GTS 250 is 2% faster than ATI Radeon HD 4850
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ATI Radeon HD 4850 vs Radeon HD 4850
Radeon HD 4850 Performance100%
Radeon HD 4850 is 0% slower than ATI Radeon HD 4850
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ATI Radeon HD 4850 vs Radeon HD 4770
Radeon HD 4770 Performance95%
Radeon HD 4770 is 5% slower than ATI Radeon HD 4850
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ATI Radeon HD 4850 vs Radeon HD 4830
Radeon HD 4830 Performance89%
Radeon HD 4830 is 11% slower than ATI Radeon HD 4850
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