GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4830
38%
38%
AMD Radeon HD 6950
262%
262%
AMD Radeon HD 6950 is approximately 224% faster
Technical Specifications
| Specification | ATI Radeon HD 4830 | AMD Radeon HD 6950 |
|---|---|---|
| Graphics ProcessorDifferent | RV770 | Cayman |
| CoresDifferent | 640 | 1408 |
| TMUsDifferent | 32 | 88 |
| ROPsDifferent | 16 | 32 |
| Memory SizeDifferent | 512 MB | 2 GB |
| Memory TypeDifferent | GDDR3 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | ATI Radeon HD 4830 | AMD Radeon HD 6950 |
|---|---|---|
| GPU NameDifferent | RV770 | Cayman |
| GPU VariantDifferent | RV770 LE(215-0669075) | Cayman PRO(215-0807019) |
| ArchitectureDifferent | TeraScale | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 55 nm | 40 nm |
| TransistorsDifferent | 956 million | 2,640 million |
| DensityDifferent | 3.7M / mm² | 6.8M / mm² |
| Die SizeDifferent | 256 mm² | 389 mm² |
| Chip PackageDifferent | HFCBGA-1492 | N/A |
Graphics Card
| Feature | ATI Radeon HD 4830 | AMD Radeon HD 6950 |
|---|---|---|
| Release DateDifferent | Oct 21st, 2008 | Dec 14th, 2010 |
| GenerationDifferent | Radeon R700(HD 4800) | Northern Islands(HD 6900) |
| PredecessorDifferent | Radeon R600 | Evergreen |
| SuccessorDifferent | Evergreen | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 130 USD | 299 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 43 in our database | 111 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4830 | AMD Radeon HD 6950 |
|---|---|---|
| GPU ClockDifferent | 575 MHz | 800 MHz |
| Memory ClockDifferent | 900 MHz1800 Mbps effective | 1250 MHz5 Gbps effective |
Memory
| Feature | ATI Radeon HD 4830 | AMD Radeon HD 6950 |
|---|---|---|
| Memory SizeDifferent | 512 MB | 2 GB |
| Memory TypeDifferent | GDDR3 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 57.60 GB/s | 160.0 GB/s |
Render Config
| Feature | ATI Radeon HD 4830 | AMD Radeon HD 6950 |
|---|---|---|
| Shading UnitsDifferent | 640 | 1408 |
| TMUsDifferent | 32 | 88 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 8 | 22 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 256 KB | 512 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4830 | AMD Radeon HD 6950 |
|---|---|---|
| Pixel RateDifferent | 9.200 GPixel/s | 25.60 GPixel/s |
| Texture RateDifferent | 18.40 GTexel/s | 70.40 GTexel/s |
| FP32 (float)Different | 736.0 GFLOPS | 2.253 TFLOPS |
| FP64 (double)Different | 147.2 GFLOPS (1:5) | 563.2 GFLOPS (1:4) |
Board Design
| Feature | ATI Radeon HD 4830 | AMD Radeon HD 6950 |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| LengthDifferent | 246 mm9.7 inches | 286 mm11.3 inches |
| HeightDifferent | 111 mm4.4 inches | 126 mm5 inches |
| WidthDifferent | 20 mm0.8 inches | 42 mm1.7 inches |
| TDPDifferent | 95 W | 200 W |
| Suggested PSUDifferent | 250 W | 550 W |
| OutputsDifferent | 2x DVI1x S-Video | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin | 2x 6-pin |
| Board NumberDifferent | 109-B50131-10 | 109-C21647-00 |
Graphics Features
| Feature | ATI Radeon HD 4830 | AMD Radeon HD 6950 |
|---|---|---|
| DirectXDifferent | 10.1 (10_1) | 11.2 (11_0) |
| OpenGLDifferent | 3.3 | 4.4 |
| OpenCLDifferent | 1.1 | 1.2 |
| Vulkan | N/A | N/A |
| Shader ModelDifferent | 4.1 | 5.0 |
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
Compare Detailed Specs
ATI Radeon HD 4830 vs GeForce GTS 250
GeForce GTS 250 Performance115%
GeForce GTS 250 is 15% faster than ATI Radeon HD 4830
Compare Detailed Specs
ATI Radeon HD 4830 vs Radeon HD 4850
Radeon HD 4850 Performance112%
Radeon HD 4850 is 12% faster than ATI Radeon HD 4830
Compare Detailed Specs
ATI Radeon HD 4830 vs Radeon HD 4770
Radeon HD 4770 Performance107%
Radeon HD 4770 is 7% faster than ATI Radeon HD 4830
Compare Detailed Specs
ATI Radeon HD 4830 vs Radeon HD 4830
Radeon HD 4830 Performance100%
Radeon HD 4830 is 0% slower than ATI Radeon HD 4830
Compare Detailed Specs
ATI Radeon HD 4830 vs Radeon HD 6670
Radeon HD 6670 Performance97%
Radeon HD 6670 is 3% slower than ATI Radeon HD 4830
Compare Detailed Specs
More Comparisons with AMD Radeon HD 6950
Compare AMD Radeon HD 6950 with other GPUs of similar performance
AMD Radeon HD 6950 vs Radeon RX 560
Radeon RX 560 Performance119%
Radeon RX 560 is 19% faster than AMD Radeon HD 6950
Compare Detailed Specs
AMD Radeon HD 6950 vs GeForce GTX 570
GeForce GTX 570 Performance117%
GeForce GTX 570 is 17% faster than AMD Radeon HD 6950
Compare Detailed Specs
AMD Radeon HD 6950 vs GeForce GTX 660
GeForce GTX 660 Performance117%
GeForce GTX 660 is 17% faster than AMD Radeon HD 6950
Compare Detailed Specs
AMD Radeon HD 6950 vs Radeon R7 370
Radeon R7 370 Performance116%
Radeon R7 370 is 16% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs Radeon HD 6970
Radeon HD 6970 Performance112%
Radeon HD 6970 is 12% faster than AMD Radeon HD 6950
Compare Detailed Specs
AMD Radeon HD 6950 vs GeForce GTX 480
GeForce GTX 480 Performance107%
GeForce GTX 480 is 7% faster than AMD Radeon HD 6950
Compare Detailed Specs