AMD Radeon HD 8770M vs NVIDIA GeForce GT 640M LE
The Radeon HD 8770M has 54% better performance than the GeForce GT 640M LE for the 3DMark 11 Performance GPU benchmark.
We do not have any performance per dollar data for the Radeon HD 8770M and the GeForce GT 640M LE for the 3DMark 11 Performance GPU benchmark.
Summary
About the AMD Radeon HD 8770M GPU
The Radeon HD 8770M is an end-of-life mobile graphics card by AMD. It launched in Q2 2013. Its Mars chip that powers the GPU uses the GCN 1.0 architecture and is fabricated on the 28 nm process.
Memory
This GPU is paired with 2 GB of GDDR5 VRAM. Its 1,125 MHz memory clock and 128 bit interface gives it a bandwidth of 72 Gb/s. This impacts how much data it can store, and how fast it transfers the data to and from memory.
Benchmark Performance
The Radeon HD 8770M has the 362nd highest 3DMark 11 Performance GPU score among the 540 benchmarked GPUs in our database. It achieves 1.84% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090.
About the NVIDIA GeForce GT 640M LE GPU
The GeForce GT 640M LE is an end-of-life mobile graphics card by NVIDIA. It launched in Q1 2012. Its GK107 chip that powers the GPU uses the Kepler architecture and is fabricated on the 28 nm process.
Memory
This GPU is paired with 1,024 MB of DDR3 VRAM. Its 900 MHz memory clock and 128 bit interface gives it a bandwidth of 28.8 Gb/s. This impacts how much data it can store, and how fast it transfers the data to and from memory.
Compatibility
This mobile card has a TDP of 20 W.
Benchmark Performance
The GeForce GT 640M LE has the 425th highest 3DMark 11 Performance GPU score among the 540 benchmarked GPUs in our database. It achieves 1.20% 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 640M LE |
|---|---|---|
| Manufacturer | AMD | NVIDIA |
| Architecture | GCN 1.0 | Kepler |
| Market Segment | Mobile | Mobile |
| Release Date | Q2 2013 | Q1 2012 |
| Production Status | End-of-life | End-of-life |
| Shop | Check Price | Check Price |
Gaming Performance
Benchmark Performance
The Radeon HD 8770M has 54% better performance than the GeForce GT 640M LE for the 3DMark 11 Performance GPU benchmark.
The Radeon HD 8770M is ranked 362nd with a score of 1,934, and the GeForce GT 640M LE is ranked 425th with a score of 1,259.
We do not have any performance per dollar data for the Radeon HD 8770M and the GeForce GT 640M LE 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.
| 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 820M | 1,266.5 | -35% |
| Quadro 2000M | 1,261 | -35% |
| GeForce GT 640M LE | 1,259 | -35% |
| Radeon HD 8570M | 1,255 | -35% |
| GeForce GT 720M | 1,213 | -37% |
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.
| 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 640M LE |
|---|---|---|
| 3DMark 11 Performance Score | 2,206 (+59.28%) | 1,385 |
| PassMark G3D Mark | -- | 700 |
| PassMark G2D Mark | -- | 170 |
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 640M LE |
|---|---|---|
| Codename | Mars | GK107 |
| Architecture | GCN 1.0 | Kepler |
| Process Size | 28 nm | 28 nm |
| Transistors | 950 million | 1,270 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 640M LE |
|---|---|---|
| Memory Size | 2 GB | 1,024 MB |
| Memory Type | GDDR5 | DDR3 |
| Memory Bandwidth | 72 Gb/s | 28.8 Gb/s |
| Memory Clock | 1,125 MHz | 900 MHz |
| Memory Interface | 128 bit | 128 bit |
| L1 Cache | 16 KB | 16 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 640M LE |
|---|---|---|
| Bus Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Thermal Design Power (TDP) | -- | 20 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 640M LE |
|---|---|---|
| Stream Processors (SP) | 384 | -- |
| CUDA Cores | -- | 384 |
| Compute Units (CU) | 6 | -- |
| Stream Multiprocessors (SM) | -- | 2 |
| Texture Mapping Units (TMU) | 24 | 32 |
| Render Output Units (ROP) | 8 | 16 |
| Core Clock Speed | 775 MHz | 500 MHz |
| Core Clock Speed (Boost) | 825 MHz | 570 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 640M LE |
|---|---|---|
| Pixel Fill Rate | 6.6 GPixel/s | 4.56 GPixel/s |
| Texture Fill Rate | 19.8 GTexel/s | 18.24 GTexel/s |
| FP32 Performance | 633.6 GFLOPS | 437.8 GFLOPS |
| FP64 Performance | 39.6 GFLOPS | 18.24 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 640M LE |
|---|---|---|
| DirectX | 12 (11_1) | 12 (11_0) |
| OpenCL | 2.1 (1.2) | 3.0 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.5 (5.1) | 6.5 (5.1) |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.