AMD Radeon HD 7870M vs AMD Radeon HD 6850M
The Radeon HD 7870M has 84% better performance than the Radeon HD 6850M for the 3DMark 11 Performance GPU benchmark.
We do not have any performance per dollar data for the Radeon HD 7870M and the Radeon HD 6850M for the 3DMark 11 Performance GPU benchmark.
Summary
About the AMD Radeon HD 7870M GPU
The AMD Radeon HD 7870M is an end-of-life mobile graphics card that released in Q2 2012. It is built on the GCN 1.0 GPU microarchitecture (codename Heathrow) and is manufactured on a 28 nm process.
Memory
The HD 7870M has 2 GB of GDDR5 memory, with a 1,000 MHz memory clock and a 128 bit interface. This gives it a memory bandwidth of 64 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 7870M includes 640 stream processors (SPs), the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 800 MHz. Complementing the processing units are 40 texture mapping units (TMUs) for efficient texture filtering and 16 render output units (ROPs) for pixel processing.
Compatibility & Power Consumption
The GPU has a thermal design power (TDP) of 45 W. A power supply not strong enough to handle this might result in system crashes and potentially damage your hardware.
Benchmark Performance
The HD 7870M has the 315th best 3DMark 11 Performance GPU score among the 543 benchmarked GPUs in our database. It achieves 2.58% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090.
About the AMD Radeon HD 6850M GPU
The AMD Radeon HD 6850M is an end-of-life mobile graphics card that released in Q1 2011. It is built on the TeraScale 2 GPU microarchitecture (codename Granville) and is manufactured on a 40 nm process.
Memory
The HD 6850M has 1,024 MB of GDDR3 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 HD 6850M includes 800 stream processors (SPs), the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 675 MHz. Complementing the processing units are 40 texture mapping units (TMUs) for efficient texture filtering and 16 render output units (ROPs) for pixel processing.
Compatibility & Power Consumption
The GPU has a thermal design power (TDP) of 50 W. A power supply not strong enough to handle this might result in system crashes and potentially damage your hardware.
Benchmark Performance
The HD 6850M has the 409th best 3DMark 11 Performance GPU score among the 543 benchmarked GPUs in our database. It achieves 1.40% 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 7870M | Radeon HD 6850M |
|---|---|---|
| Manufacturer | AMD | AMD |
| Architecture | GCN 1.0 | TeraScale 2 |
| Market Segment | Mobile | Mobile |
| Release Date | Q2 2012 | Q1 2011 |
| Production Status | End-of-life | End-of-life |
| Shop | Check Price | Check Price |
Gaming Performance
Benchmark Performance
The Radeon HD 7870M has 84% better performance than the Radeon HD 6850M for the 3DMark 11 Performance GPU benchmark.
The Radeon HD 7870M is ranked 315th with a score of 2,702, and the Radeon HD 6850M is ranked 409th with a score of 1,469.5.
We do not have any performance per dollar data for the Radeon HD 7870M and the Radeon HD 6850M 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 | |
|---|---|---|
| GeForce GT 755M | 2,800.5 | +4% |
| GeForce GTX 485M | 2,709 | +0% |
| Radeon HD 7870M | 2,702 | |
| GeForce GTX 670M | 2,698 | -0% |
| Quadro 5010M | 2,693 | -0% |
| Quadro 3000M | 1,539 | -43% |
| Radeon HD 7730M | 1,478 | -45% |
| Radeon HD 6850M | 1,469.5 | -46% |
| GeForce 910M | 1,413 | -48% |
| Radeon HD 8670M | 1,396 | -48% |
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 7870M | Radeon HD 6850M |
|---|---|---|
| 3DMark 11 Performance Score | 3,037 (+84.73%) | 1,644 |
| PassMark G3D Mark | 1,507 | -- |
| PassMark G2D Mark | 556 | -- |
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 7870M | Radeon HD 6850M |
|---|---|---|
| Codename | Heathrow | Granville |
| Architecture | GCN 1.0 | TeraScale 2 |
| Process Size | 28 nm | 40 nm |
| Transistors | 1,500 million | 1,040 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 7870M | Radeon HD 6850M |
|---|---|---|
| Memory Size | 2 GB | 1,024 MB |
| Memory Type | GDDR5 | GDDR3 |
| Memory Bandwidth | 64 Gb/s | 25.6 Gb/s |
| Memory Clock | 1,000 MHz | 800 MHz |
| Memory Interface | 128 bit | 128 bit |
| L1 Cache | 16 KB | 8 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 7870M | Radeon HD 6850M |
|---|---|---|
| Bus Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Thermal Design Power (TDP) | 45 W | 50 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 7870M | Radeon HD 6850M |
|---|---|---|
| Stream Processors (SP) | 640 | 800 |
| Compute Units (CU) | 10 | 10 |
| Texture Mapping Units (TMU) | 40 | 40 |
| Render Output Units (ROP) | 16 | 16 |
| Core Clock Speed | 800 MHz | 675 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 7870M | Radeon HD 6850M |
|---|---|---|
| Pixel Fill Rate | 12.8 GPixel/s | 10.8 GPixel/s |
| Texture Fill Rate | 32 GTexel/s | 27 GTexel/s |
| FP32 Performance | 1,024 GFLOPS | 1,080 GFLOPS |
| FP64 Performance | 64 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 7870M | Radeon HD 6850M |
|---|---|---|
| DirectX | 12 (11_1) | 11.2 (11_0) |
| OpenCL | 2.1 (1.2) | 1.2 |
| OpenGL | 4.6 | 4.4 |
| Shader Model | 6.5 (5.1) | 5.0 |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.