GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4850
105%
105%
ATI Radeon HD 4770
95%
95%
ATI Radeon HD 4850 is approximately 10% faster
Technical Specifications
| Specification | ATI Radeon HD 4850 | ATI Radeon HD 4770 |
|---|---|---|
| Graphics ProcessorDifferent | RV770 | RV740 |
| CoresDifferent | 800 | 640 |
| TMUsDifferent | 40 | 32 |
| ROPs | 16 | 16 |
| Memory Size | 512 MB | 512 MB |
| Memory TypeDifferent | GDDR3 | GDDR5 |
| Bus WidthDifferent | 256 bit | 128 bit |
Graphics Processor
| Feature | ATI Radeon HD 4850 | ATI Radeon HD 4770 |
|---|---|---|
| GPU NameDifferent | RV770 | RV740 |
| GPU VariantDifferent | RV770 PRO(215-0669065) | RV740 XT(215-0727019) |
| Architecture | TeraScale | TeraScale |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 55 nm | 40 nm |
| TransistorsDifferent | 956 million | 826 million |
| DensityDifferent | 3.7M / mm² | 6.0M / mm² |
| Die SizeDifferent | 256 mm² | 137 mm² |
| Chip PackageDifferent | HFCBGA-1492 | N/A |
Graphics Card
| Feature | ATI Radeon HD 4850 | ATI Radeon HD 4770 |
|---|---|---|
| Release DateDifferent | Jun 25th, 2008 | Apr 28th, 2009 |
| GenerationDifferent | Radeon R700(HD 4800) | Radeon R700(HD 4700) |
| Predecessor | Radeon R600 | Radeon R600 |
| Successor | Evergreen | Evergreen |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 199 USD | 109 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 127 in our database | 82 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4850 | ATI Radeon HD 4770 |
|---|---|---|
| GPU ClockDifferent | 625 MHz | 750 MHz |
| Memory ClockDifferent | 993 MHz1986 Mbps effective | 800 MHz3.2 Gbps effective |
Memory
| Feature | ATI Radeon HD 4850 | ATI Radeon HD 4770 |
|---|---|---|
| Memory Size | 512 MB | 512 MB |
| Memory TypeDifferent | GDDR3 | GDDR5 |
| Memory BusDifferent | 256 bit | 128 bit |
| BandwidthDifferent | 63.55 GB/s | 51.20 GB/s |
Render Config
| Feature | ATI Radeon HD 4850 | ATI Radeon HD 4770 |
|---|---|---|
| Shading UnitsDifferent | 800 | 640 |
| TMUsDifferent | 40 | 32 |
| ROPs | 16 | 16 |
| Compute UnitsDifferent | 10 | 8 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 256 KB | 128 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4850 | ATI Radeon HD 4770 |
|---|---|---|
| Pixel RateDifferent | 10.00 GPixel/s | 12.00 GPixel/s |
| Texture RateDifferent | 25.00 GTexel/s | 24.00 GTexel/s |
| FP32 (float)Different | 1,000.0 GFLOPS | 960.0 GFLOPS |
| FP64 (double)Different | 200.0 GFLOPS (1:5) | 192.0 GFLOPS (1:5) |
Board Design
| Feature | ATI Radeon HD 4850 | ATI Radeon HD 4770 |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| LengthDifferent | 246 mm9.7 inches | 203 mm8 inches |
| TDPDifferent | 110 W | 80 W |
| Suggested PSUDifferent | 300 W | 250 W |
| Outputs | 2x DVI1x S-Video | 2x DVI1x S-Video |
| Power Connectors | 1x 6-pin | 1x 6-pin |
| Board NumberDifferent | 109-B50131-00 | B743 |
Graphics Features
| Feature | ATI Radeon HD 4850 | ATI Radeon HD 4770 |
|---|---|---|
| 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
45
Detailed Features
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
Compare Detailed Specs
ATI Radeon HD 4850 vs GeForce GTS 450
GeForce GTS 450 Performance105%
GeForce GTS 450 is 5% faster than ATI Radeon HD 4850
Compare Detailed Specs
ATI Radeon HD 4850 vs GeForce GTS 250
GeForce GTS 250 Performance102%
GeForce GTS 250 is 2% faster than ATI Radeon HD 4850
Compare Detailed Specs
ATI Radeon HD 4850 vs Radeon HD 4850
Radeon HD 4850 Performance100%
Radeon HD 4850 is 0% slower than ATI Radeon HD 4850
Compare Detailed Specs
ATI Radeon HD 4850 vs Radeon HD 4770
Radeon HD 4770 Performance95%
Radeon HD 4770 is 5% slower than ATI Radeon HD 4850
Compare Detailed Specs
ATI Radeon HD 4850 vs Radeon HD 4830
Radeon HD 4830 Performance89%
Radeon HD 4830 is 11% slower than ATI Radeon HD 4850
Compare Detailed Specs
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
Compare Detailed Specs
ATI Radeon HD 4770 vs GeForce GTS 450
GeForce GTS 450 Performance111%
GeForce GTS 450 is 11% faster than ATI Radeon HD 4770
Compare Detailed Specs
ATI Radeon HD 4770 vs GeForce GTS 250
GeForce GTS 250 Performance108%
GeForce GTS 250 is 8% faster than ATI Radeon HD 4770
Compare Detailed Specs
ATI Radeon HD 4770 vs Radeon HD 4850
Radeon HD 4850 Performance105%
Radeon HD 4850 is 5% faster than ATI Radeon HD 4770
Compare Detailed Specs
ATI Radeon HD 4770 vs Radeon HD 4770
Radeon HD 4770 Performance100%
Radeon HD 4770 is 0% slower than ATI Radeon HD 4770
Compare Detailed Specs
ATI Radeon HD 4770 vs Radeon HD 4830
Radeon HD 4830 Performance94%
Radeon HD 4830 is 6% slower than ATI Radeon HD 4770
Compare Detailed Specs