GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4770
107%
107%
ATI Radeon HD 4830
94%
94%
ATI Radeon HD 4770 is approximately 13% faster
Technical Specifications
| Specification | ATI Radeon HD 4770 | ATI Radeon HD 4830 |
|---|---|---|
| Graphics ProcessorDifferent | RV740 | RV770 |
| Cores | 640 | 640 |
| TMUs | 32 | 32 |
| ROPs | 16 | 16 |
| Memory Size | 512 MB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 128 bit | 256 bit |
Graphics Processor
| Feature | ATI Radeon HD 4770 | ATI Radeon HD 4830 |
|---|---|---|
| GPU NameDifferent | RV740 | RV770 |
| GPU VariantDifferent | RV740 XT(215-0727019) | RV770 LE(215-0669075) |
| Architecture | TeraScale | TeraScale |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 55 nm |
| TransistorsDifferent | 826 million | 956 million |
| DensityDifferent | 6.0M / mm² | 3.7M / mm² |
| Die SizeDifferent | 137 mm² | 256 mm² |
| Chip PackageDifferent | N/A | HFCBGA-1492 |
Graphics Card
| Feature | ATI Radeon HD 4770 | ATI Radeon HD 4830 |
|---|---|---|
| Release DateDifferent | Apr 28th, 2009 | Oct 21st, 2008 |
| GenerationDifferent | Radeon R700(HD 4700) | Radeon R700(HD 4800) |
| Predecessor | Radeon R600 | Radeon R600 |
| Successor | Evergreen | Evergreen |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 109 USD | 130 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 82 in our database | 43 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4770 | ATI Radeon HD 4830 |
|---|---|---|
| GPU ClockDifferent | 750 MHz | 575 MHz |
| Memory ClockDifferent | 800 MHz3.2 Gbps effective | 900 MHz1800 Mbps effective |
Memory
| Feature | ATI Radeon HD 4770 | ATI Radeon HD 4830 |
|---|---|---|
| Memory Size | 512 MB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 128 bit | 256 bit |
| BandwidthDifferent | 51.20 GB/s | 57.60 GB/s |
Render Config
| Feature | ATI Radeon HD 4770 | ATI Radeon HD 4830 |
|---|---|---|
| Shading Units | 640 | 640 |
| TMUs | 32 | 32 |
| ROPs | 16 | 16 |
| Compute Units | 8 | 8 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 128 KB | 256 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4770 | ATI Radeon HD 4830 |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 9.200 GPixel/s |
| Texture RateDifferent | 24.00 GTexel/s | 18.40 GTexel/s |
| FP32 (float)Different | 960.0 GFLOPS | 736.0 GFLOPS |
| FP64 (double)Different | 192.0 GFLOPS (1:5) | 147.2 GFLOPS (1:5) |
Board Design
| Feature | ATI Radeon HD 4770 | ATI Radeon HD 4830 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 203 mm8 inches | 246 mm9.7 inches |
| TDPDifferent | 80 W | 95 W |
| Suggested PSU | 250 W | 250 W |
| Outputs | 2x DVI1x S-Video | 2x DVI1x S-Video |
| Power Connectors | 1x 6-pin | 1x 6-pin |
| Board NumberDifferent | B743 | 109-B50131-10 |
| HeightDifferent | N/A | 111 mm4.4 inches |
| WidthDifferent | N/A | 20 mm0.8 inches |
Graphics Features
| Feature | ATI Radeon HD 4770 | ATI Radeon HD 4830 |
|---|---|---|
| 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 4770
Compare ATI Radeon HD 4770 with other GPUs of similar performance
ATI Radeon HD 4770 vs Radeon HD 5750
Radeon HD 5750 Performance115%
Radeon HD 5750 is 15% faster than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs GeForce GTS 450
GeForce GTS 450 Performance111%
GeForce GTS 450 is 11% faster than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs GeForce GTS 250
GeForce GTS 250 Performance108%
GeForce GTS 250 is 8% faster than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs Radeon HD 4850
Radeon HD 4850 Performance105%
Radeon HD 4850 is 5% faster than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs Radeon HD 4770
Radeon HD 4770 Performance100%
Radeon HD 4770 is 0% slower than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs Radeon HD 4830
Radeon HD 4830 Performance94%
Radeon HD 4830 is 6% slower than ATI Radeon HD 4770
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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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