AMD Radeon HD 8670M vs AMD Radeon 840M
The Radeon 840M has 506% better performance than the Radeon HD 8670M for the 3DMark 11 Performance GPU benchmark.
We do not have any performance per dollar data for the Radeon HD 8670M and the Radeon 840M for the 3DMark 11 Performance GPU benchmark.
Summary
About the AMD Radeon HD 8670M GPU
The AMD Radeon HD 8670M is an end-of-life mobile graphics card that released in Q1 2013. It is built on the GCN 1.0 GPU microarchitecture (codename Sun) and is manufactured on a 28 nm process.
Memory
The HD 8670M has 1,024 MB of DDR3 memory, with a 900 MHz memory clock and a 64 bit interface. This gives it a memory bandwidth of 14.4 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 8670M includes 320 stream processors (SPs), the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 925 MHz and can dynamically boost its clock speed up to 975 MHz. Complementing the processing units are 20 texture mapping units (TMUs) for efficient texture filtering and 8 render output units (ROPs) for pixel processing.
Benchmark Performance
The HD 8670M has the 440th best 3DMark 11 Performance GPU score among the 567 benchmarked GPUs in our database. It achieves 1.08% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 5090.
About the AMD Radeon 840M GPU
The Radeon 840M is a graphics card by AMD. It is built on the RDNA 3+ GPU microarchitecture and is manufactured on a 4 nm process.
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 840M includes 256 stream processors (SPs), the processing units for handling parallel computing tasks. Additionally, the GPU features 4 ray accelerators dedicated to real-time ray tracing calculations.
Benchmark Performance
The 840M has the 219th best 3DMark 11 Performance GPU score among the 567 benchmarked GPUs in our database. It achieves 6.51% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 5090.
General Info
General overview of the GPU, including details like its manufacturer, release date, launch price, and current production status.
| Info | Radeon HD 8670M | Radeon 840M |
|---|---|---|
| Manufacturer | AMD | AMD |
| Architecture | GCN 1.0 | RDNA 3+ |
| Market Segment | Mobile | Mobile |
| Release Date | Q1 2013 | -- |
| Production Status | End-of-life | -- |
| Shop | Check Price | Check Price |
Gaming Performance
Select a game to compare FPS metrics
FPS Benchmarks
This table showcases the average frame rate (FPS) achieved both GPUs in at various resolutions. Frame rate is a crucial indicator of how smoothly the GPU can run the game. A higher FPS generally translates to a smoother gameplay experience.
- Frames Per Second
Space Marine 2 | Radeon HD 8670M | Radeon 840M |
|---|---|---|
| Low - 1080p | -- | 16 FPS |
| Medium - 1080p | -- | 14 FPS |
| High - 1080p | -- | 12 FPS |
| Ultra - 1080p | -- | -- |
| QHD - 1440p | -- | -- |
| 4K UHD - 2160p | -- | -- |
Compare Frames Per Second (FPS)
The average frame rate (FPS) in can be compared to similar GPUs to assess relative performance. Generally, higher FPS results in a smoother gameplay experience.
| GPU | Frames Per Second | |
|---|---|---|
| GeForce RTX 4070 Mobile | 71 | +482% |
| GeForce RTX 5060 Mobile | 65.7 | +439% |
| Radeon RX 7600M XT | 65.6 | +438% |
| GeForce RTX 5070 Mobile | 61.6 | +405% |
| GeForce RTX 4080 Mobile | 55.5 | +355% |
| Radeon 840M | 12.2 | |
Compare Cost Per Frame
The average cost per frame in can be compared to similar GPUs to assess relative value. Generally, a lower cost per frame implies better value for your money.
| GPU | Cost Per Frame | |
|---|---|---|
| Our database does not have enough data to compare the FPS per dollar with other GPUs. | ||
Benchmark Performance
The Radeon 840M has 506% better performance than the Radeon HD 8670M for the 3DMark 11 Performance GPU benchmark.
The Radeon HD 8670M is ranked 440th with a score of 1,396, and the Radeon 840M is ranked 219th with a score of 8,453.
We do not have any performance per dollar data for the Radeon HD 8670M and the Radeon 840M 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 | |
|---|---|---|
| Radeon R9 M395 (Mac Edition) | 8,656 | +520% |
| GeForce GTX 880M | 8,578 | +514% |
| Radeon 840M | 8,453 | +506% |
| Radeon RX 560 Mobile | 8,329 | +497% |
| Quadro M3000M | 8,288.5 | +494% |
| Radeon HD 6850M | 1,469.5 | +5% |
| GeForce 910M | 1,413 | +1% |
| Radeon HD 8670M | 1,396 | |
| Radeon HD 8730M | 1,370.5 | -2% |
| FirePro M5950 | 1,350 | -3% |
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 8670M | Radeon 840M |
|---|---|---|
| 3DMark Time Spy Graphics | -- | 1,705 |
| 3DMark Time Spy Score | -- | 1,928 |
| 3DMark Cloud Gate Graphics | 4,840 | 37,360 (+671.9%) |
| 3DMark Fire Strike Standard Graphics | 829 | 5,606 (+576.24%) |
| 3DMark 11 Performance Score | 1,513 | 8,814 (+482.55%) |
| Cinebench R15 OpenGL 64 Bit | 64.4 | 181.3 (+181.52%) |
| PassMark G3D Mark | 520 | 3,925 (+654.81%) |
| PassMark G2D Mark | 493 | 905 (+83.57%) |
| Unigine Heaven 3.0 DirectX 11 | 9.4 | -- |
| Unigine Heaven 3.0 OpenGL | 7.6 | -- |
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 8670M | Radeon 840M |
|---|---|---|
| Codename | Sun | -- |
| Architecture | GCN 1.0 | RDNA 3+ |
| Process Size | 28 nm | 4 nm |
| Transistors | 690 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 8670M | Radeon 840M |
|---|---|---|
| Memory Size | 1,024 MB | -- |
| Memory Type | DDR3 | -- |
| Memory Bandwidth | 14.4 Gb/s | -- |
| Memory Clock | 900 MHz | 7,500 MHz |
| Memory Interface | 64 bit | -- |
| L1 Cache | 16 KB | -- |
| L2 Cache | 128 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 8670M | Radeon 840M |
|---|---|---|
| Bus Interface | PCIe 3.0 x8 | -- |
| Outputs | 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 8670M | Radeon 840M |
|---|---|---|
| Stream Processors (SP) | 320 | 256 |
| Compute Units (CU) | 5 | -- |
| Texture Mapping Units (TMU) | 20 | -- |
| Render Output Units (ROP) | 8 | -- |
| Ray Accelerators | -- | 4 |
| Core Clock Speed | 925 MHz | -- |
| Core Clock Speed (Boost) | 975 MHz | 2,900 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 8670M | Radeon 840M |
|---|---|---|
| Pixel Fill Rate | 7.8 GPixel/s | -- |
| Texture Fill Rate | 19.5 GTexel/s | -- |
| FP32 Performance | 624 GFLOPS | -- |
| FP64 Performance | 39 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 8670M | Radeon 840M |
|---|---|---|
| DirectX | 12 (11_1) | -- |
| OpenCL | 2.1 (1.2) | -- |
| OpenGL | 4.6 | -- |
| Shader Model | 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.