Contents:HighlightsSummaryGaming PerformanceBenchmark PerformanceTechnical SpecsRelated ComparisonsRelated GPUs
Performance
Radeon HD 8770M182% better
1,9342% of 104,598
GeForce GT 420M
6851% of 104,598
The Radeon HD 8770M has 182% better performance than the GeForce GT 420M for the 3DMark 11 Performance GPU benchmark.
Performance per dollar
Radeon HD 8770M
No data available
GeForce GT 420M
No data available
We do not have any performance per dollar data for the Radeon HD 8770M and the GeForce GT 420M for the 3DMark 11 Performance GPU benchmark.
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Summary
#
About the AMD Radeon HD 8770M GPU
The AMD Radeon HD 8770M is an end-of-life mobile graphics card that released in Q2 2013. It is built on the GCN 1.0 GPU microarchitecture (codename Mars) and is manufactured on a 28 nm process.
Memory
The HD 8770M has 2 GB of GDDR5 memory, with a 1,125 MHz memory clock and a 128 bit interface. This gives it a memory bandwidth of 72 Gb/s, which affects how fast it can transfer data to and from memory. GPU memory stores temporary data that helps the GPU with complex math and graphics operations. More memory is generally better, as not having enough can cause performance bottlenecks.
Cores and Clock Speeds
The HD 8770M includes 384 stream processors (SPs), the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 775 MHz and can dynamically boost its clock speed up to 825 MHz. Complementing the processing units are 24 texture mapping units (TMUs) for efficient texture filtering and 8 render output units (ROPs) for pixel processing.
Benchmark Performance
The HD 8770M has the 365th best 3DMark 11 Performance GPU score among the 543 benchmarked GPUs in our database. It achieves 1.85% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090.
About the NVIDIA GeForce GT 420M GPU
The NVIDIA GeForce GT 420M is an end-of-life mobile graphics card that released in Q3 2010. It is built on the Fermi GPU microarchitecture (codename GF108) and is manufactured on a 40 nm process.
Memory
The GT 420M has 1,024 MB of DDR3 memory, with a 800 MHz memory clock and a 128 bit interface. This gives it a memory bandwidth of 25.6 Gb/s, which affects how fast it can transfer data to and from memory. GPU memory stores temporary data that helps the GPU with complex math and graphics operations. More memory is generally better, as not having enough can cause performance bottlenecks.
Cores and Clock Speeds
The GT 420M includes 96 CUDA cores, the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 500 MHz. Complementing the processing units are 16 texture mapping units (TMUs) for efficient texture filtering and 4 render output units (ROPs) for pixel processing.
Compatibility & Power Consumption
The GPU has a thermal design power (TDP) of 23 W. A power supply not strong enough to handle this might result in system crashes and potentially damage your hardware.
Benchmark Performance
The GT 420M has the 490th best 3DMark 11 Performance GPU score among the 543 benchmarked GPUs in our database. It achieves 0.65% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090.
General Info
General overview of the GPU, including details like its manufacturer, release date, launch price, and current production status.
| Info | Radeon HD 8770M | GeForce GT 420M |
|---|---|---|
| Manufacturer | AMD | NVIDIA |
| Architecture | GCN 1.0 | Fermi |
| Market Segment | Mobile | Mobile |
| Release Date | Q2 2013 | Q3 2010 |
| Production Status | End-of-life | End-of-life |
| Shop | Check Price | Check Price |
Gaming Performance
#
Our database does not have gaming performance data for the AMD Radeon HD 8770M or the NVIDIA GeForce GT 420M.
Benchmark Performance
#
Performance
Radeon HD 8770M182% better
1,9342% of 104,598
GeForce GT 420M
6851% of 104,598
The Radeon HD 8770M has 182% better performance than the GeForce GT 420M for the 3DMark 11 Performance GPU benchmark.
The Radeon HD 8770M is ranked 365th with a score of 1,934, and the GeForce GT 420M is ranked 490th with a score of 685.
Performance per dollar
Radeon HD 8770M
No data available
GeForce GT 420M
No data available
We do not have any performance per dollar data for the Radeon HD 8770M and the GeForce GT 420M for the 3DMark 11 Performance GPU benchmark.
Relative Performance
The average score in the benchmark test can be compared to similar GPUs to assess relative performance. Generally, powerful GPUs tend to have higher scores.
Choose Baseline GPU:Radeon HD 8770M or
| GPU | Benchmark Performance | |
|---|---|---|
| FirePro M4000 | 1,981 | +2% |
| GeForce 830M | 1,961 | +1% |
| Radeon HD 8770M | 1,934 | |
| Radeon R7 M260X | 1,903 | -2% |
| Radeon R7 M260 | 1,897 | -2% |
| GeForce GT 425M | 753 | -61% |
| Radeon HD 7610M | 749 | -61% |
| GeForce GT 420M | 685 | -65% |
| Radeon HD 6490M | 601 | -69% |
| GeForce GT 520MX | 596.5 | -69% |
Relative Value For Money
The average performance per dollar in the benchmark test can be compared to similar GPUs to assess relative value. A higher score implies a better value for your money.
Choose Baseline GPU:Radeon HD 8770M orGeForce GT 420M
| GPU | Performance Per Dollar | ||
|---|---|---|---|
| Our database does not have enough data to compare the benchmark performance per dollar with other GPUs. | |||
Benchmark Scores
This table showcases the average performance scores achieved by both GPUs across industry-standard benchmark tests. These scores provide a valuable insight into overall performance. Powerful GPUs tend to have higher scores.
- Popular
| Benchmark | Radeon HD 8770M | GeForce GT 420M |
|---|---|---|
| 3DMark 11 Performance Score | 2,206 (+184.65%) | 775 |
| PassMark G3D Mark | -- | 397 |
| PassMark G2D Mark | -- | 86 |
Benchmarks Source: Notebookcheck
Technical Specs
#
Graphics Processor
General information about the graphics processing unit like their architecture, manufacturing process size, and transistor count. Newer GPU architectures generally bring efficiency improvements and may introduce technologies that enhance graphical capabilities.
| Spec | Radeon HD 8770M | GeForce GT 420M |
|---|---|---|
| Codename | Mars | GF108 |
| Architecture | GCN 1.0 | Fermi |
| Process Size | 28 nm | 40 nm |
| Transistors | 950 million | 585 million |
Memory Details
Memory specifications like their capacity, bandwidth, and clock speeds. GPU memory stores graphics data like frames, textures, and shadows which helps display rendered images. These specs are crucial for graphics-intense applications like gaming and 3D modeling.
| Spec | Radeon HD 8770M | GeForce GT 420M |
|---|---|---|
| Memory Size | 2 GB | 1,024 MB |
| Memory Type | GDDR5 | DDR3 |
| Memory Bandwidth | 72 Gb/s | 25.6 Gb/s |
| Memory Clock | 1,125 MHz | 800 MHz |
| Memory Interface | 128 bit | 128 bit |
| L1 Cache | 16 KB | 64 KB |
| L2 Cache | 256 KB | 256 KB |
Board Compatibility
Compatibility information like their slot size, bus interface, power consumption, and display support. These specs are useful for verifying compatibility with your motherboard, power supply, and monitor.
| Spec | Radeon HD 8770M | GeForce GT 420M |
|---|---|---|
| Bus Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
| Thermal Design Power (TDP) | -- | 23 W |
| Outputs | Device Dependent | Device Dependent |
Cores & Clock Speeds
Processing power information like its cores and clock speed. These specs impact how fast they can process graphics. Each type of core or component serves a specific computational purpose.
| Spec | Radeon HD 8770M | GeForce GT 420M |
|---|---|---|
| Stream Processors (SP) | 384 | -- |
| CUDA Cores | -- | 96 |
| Compute Units (CU) | 6 | -- |
| Stream Multiprocessors (SM) | -- | 2 |
| Texture Mapping Units (TMU) | 24 | 16 |
| Render Output Units (ROP) | 8 | 4 |
| Core Clock Speed | 775 MHz | 500 MHz |
| Core Clock Speed (Boost) | 825 MHz | -- |
Theoretical Performance
Theoretical performance numbers derived from the raw specifications of the different components like core count and clock speeds. While these provide a glimpse into peak processing power, they do not represent real-world performance.
| Spec | Radeon HD 8770M | GeForce GT 420M |
|---|---|---|
| Pixel Fill Rate | 6.6 GPixel/s | 2 GPixel/s |
| Texture Fill Rate | 19.8 GTexel/s | 8 GTexel/s |
| FP32 Performance | 633.6 GFLOPS | 192 GFLOPS |
| FP64 Performance | 39.6 GFLOPS | 16 GFLOPS |
API Support
Graphics API versions supported by these graphics cards. APIs evolve over time, introducing new features and functionalities. Older GPUs may not support recent versions.
| Spec | Radeon HD 8770M | GeForce GT 420M |
|---|---|---|
| DirectX | 12 (11_1) | 12 (11_0) |
| OpenCL | 2.1 (1.2) | 1.1 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.5 (5.1) | 5.1 |
Check out these comparisons for similar GPUs:
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.