Iris Plus Graphics 640 vs ATI Radeon HD 4870
Aggregate performance score
We've compared Radeon HD 4870 with Iris Plus Graphics 640, including specs and performance data.
Iris Plus Graphics 640 outperforms ATI HD 4870 by a small 8% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 728 | 712 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.31 | no data |
| Power efficiency | 1.65 | 17.71 |
| Architecture | TeraScale (2005−2013) | Generation 9.5 (2016−2020) |
| GPU code name | RV770 | Kaby Lake GT3e |
| Market segment | Desktop | Laptop |
| Release date | 25 June 2008 (16 years ago) | 3 January 2017 (8 years ago) |
| Launch price (MSRP) | $299 | no data |
Cost-effectiveness evaluation
The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 800 | 384 |
| Core clock speed | 750 MHz | 300 MHz |
| Boost clock speed | no data | 1100 MHz |
| Number of transistors | 956 million | 189 million |
| Manufacturing process technology | 55 nm | 14 nm++ |
| Power consumption (TDP) | 150 Watt | 15 Watt |
| Texture fill rate | 30.00 | 52.80 |
| Floating-point processing power | 1.2 TFLOPS | 0.8448 TFLOPS |
| ROPs | 16 | 6 |
| TMUs | 40 | 48 |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | PCIe 2.0 x16 | Ring Bus |
| Length | 250 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 2x 6-pin | no data |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR5 | DDR3L/LPDDR3/DDR4 |
| Maximum RAM amount | 1 GB | 32 GB |
| Memory bus width | 256 Bit | System Shared |
| Memory clock speed | 900 MHz | System Shared |
| Memory bandwidth | 115.2 GB/s | no data |
| Shared memory | - | + |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | 2x DVI, 1x S-Video | Portable Device Dependent |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Quick Sync | no data | + |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 10.1 (10_1) | 12 (12_1) |
| Shader Model | 4.1 | 6.4 |
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | N/A | 1.3 |
Synthetic benchmark performance
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Average FPS across all PC games
Here are the average frames per second in a large set of popular games across different resolutions:
| Full HD | 18−20
−16.7%
| 21
+16.7%
|
Cost per frame, $
| 1080p | 16.61 | no data |
FPS performance in popular games
Full HD
Low Preset
| Atomic Heart | 9−10
+0%
|
9−10
+0%
|
| Counter-Strike 2 | 10−11
+0%
|
10−11
+0%
|
| Cyberpunk 2077 | 7−8
+0%
|
7−8
+0%
|
Full HD
Medium Preset
| Atomic Heart | 9−10
+0%
|
9−10
+0%
|
| Battlefield 5 | 14−16
+0%
|
14−16
+0%
|
| Counter-Strike 2 | 10−11
+0%
|
10−11
+0%
|
| Cyberpunk 2077 | 7−8
+0%
|
7−8
+0%
|
| Far Cry 5 | 9−10
+0%
|
9−10
+0%
|
| Fortnite | 20−22
+0%
|
20−22
+0%
|
| Forza Horizon 4 | 16−18
+0%
|
16−18
+0%
|
| Forza Horizon 5 | 7−8
+0%
|
7−8
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 14−16
+0%
|
14−16
+0%
|
| Valorant | 50−55
+0%
|
50−55
+0%
|
Full HD
High Preset
| Atomic Heart | 9−10
+0%
|
9−10
+0%
|
| Battlefield 5 | 14−16
+0%
|
14−16
+0%
|
| Counter-Strike 2 | 10−11
+0%
|
10−11
+0%
|
| Counter-Strike: Global Offensive | 65−70
+0%
|
65−70
+0%
|
| Cyberpunk 2077 | 7−8
+0%
|
7−8
+0%
|
| Dota 2 | 29
+0%
|
29
+0%
|
| Far Cry 5 | 9−10
+0%
|
9−10
+0%
|
| Fortnite | 20−22
+0%
|
20−22
+0%
|
| Forza Horizon 4 | 16−18
+0%
|
16−18
+0%
|
| Forza Horizon 5 | 7−8
+0%
|
7−8
+0%
|
| Grand Theft Auto V | 6
+0%
|
6
+0%
|
| Metro Exodus | 6−7
+0%
|
6−7
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 14−16
+0%
|
14−16
+0%
|
| The Witcher 3: Wild Hunt | 10−12
+0%
|
10−12
+0%
|
| Valorant | 50−55
+0%
|
50−55
+0%
|
Full HD
Ultra Preset
| Battlefield 5 | 14−16
+0%
|
14−16
+0%
|
| Counter-Strike 2 | 10−11
+0%
|
10−11
+0%
|
| Cyberpunk 2077 | 7−8
+0%
|
7−8
+0%
|
| Dota 2 | 21
+0%
|
21
+0%
|
| Far Cry 5 | 9−10
+0%
|
9−10
+0%
|
| Forza Horizon 4 | 16−18
+0%
|
16−18
+0%
|
| Forza Horizon 5 | 7−8
+0%
|
7−8
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 14−16
+0%
|
14−16
+0%
|
| The Witcher 3: Wild Hunt | 4
+0%
|
4
+0%
|
| Valorant | 50−55
+0%
|
50−55
+0%
|
Full HD
Epic Preset
| Fortnite | 20−22
+0%
|
20−22
+0%
|
1440p
High Preset
| Counter-Strike: Global Offensive | 27−30
+0%
|
27−30
+0%
|
| Grand Theft Auto V | 3−4
+0%
|
3−4
+0%
|
| Metro Exodus | 2−3
+0%
|
2−3
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 27−30
+0%
|
27−30
+0%
|
| Valorant | 35−40
+0%
|
35−40
+0%
|
1440p
Ultra Preset
| Counter-Strike 2 | 5−6
+0%
|
5−6
+0%
|
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Far Cry 5 | 6−7
+0%
|
6−7
+0%
|
| Forza Horizon 4 | 9−10
+0%
|
9−10
+0%
|
| Forza Horizon 5 | 5−6
+0%
|
5−6
+0%
|
| The Witcher 3: Wild Hunt | 6−7
+0%
|
6−7
+0%
|
1440p
Epic Preset
| Fortnite | 7−8
+0%
|
7−8
+0%
|
4K
High Preset
| Atomic Heart | 3−4
+0%
|
3−4
+0%
|
| Grand Theft Auto V | 16−18
+0%
|
16−18
+0%
|
| Valorant | 18−20
+0%
|
18−20
+0%
|
4K
Ultra Preset
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Dota 2 | 10−12
+0%
|
10−12
+0%
|
| Far Cry 5 | 4−5
+0%
|
4−5
+0%
|
| Forza Horizon 4 | 4−5
+0%
|
4−5
+0%
|
| Forza Horizon 5 | 1−2
+0%
|
1−2
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 4−5
+0%
|
4−5
+0%
|
4K
Epic Preset
| Fortnite | 4−5
+0%
|
4−5
+0%
|
This is how ATI HD 4870 and Iris Plus Graphics 640 compete in popular games:
- Iris Plus Graphics 640 is 17% faster in 1080p
All in all, in popular games:
- there's a draw in 61 test (100%)
Pros & cons summary
| Performance score | 3.59 | 3.86 |
| Recency | 25 June 2008 | 3 January 2017 |
| Maximum RAM amount | 1 GB | 32 GB |
| Chip lithography | 55 nm | 14 nm |
| Power consumption (TDP) | 150 Watt | 15 Watt |
Iris Plus Graphics 640 has a 7.5% higher aggregate performance score, an age advantage of 8 years, a 3100% higher maximum VRAM amount, a 292.9% more advanced lithography process, and 900% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Radeon HD 4870 and Iris Plus Graphics 640.
Be aware that Radeon HD 4870 is a desktop card while Iris Plus Graphics 640 is a notebook one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
