Iris Plus Graphics 645 vs Radeon HD 4670

Aggregate performance score

We've compared Radeon HD 4670 with Iris Plus Graphics 645, including specs and performance data.

ATI HD 4670
2008
512 MB GDDR3, 59 Watt
0.98

Iris Plus Graphics 645 outperforms ATI HD 4670 by a whopping 307% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance ranking1072656
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.01no data
ArchitectureTeraScale (2005−2013)Gen. 9.5 Coffee Lake (2019)
GPU code nameRV730Kaby Lake GT3e
Market segmentDesktopLaptop
Release date10 September 2008 (15 years ago)10 July 2019 (4 years ago)
Launch price (MSRP)$67 no data
Current price$181 (2.7x MSRP)no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores32048
Core clock speed750 MHz300 MHz
Boost clock speedno data1150 MHz
Number of transistors514 millionno data
Manufacturing process technology55 nm14 nm
Power consumption (TDP)59 Watt15 Watt
Texture fill rate24.0050.40
Floating-point performance480.0 gflopsno data

Form factor & compatibility

Information on Radeon HD 4670 and Iris Plus Graphics 645 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

InterfacePCIe 2.0 x16PCIe 3.0 x1
Length193 mmno data
Width1-slotno data
Supplementary power connectorsNoneno 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 typeGDDR3DDR3, DDR4
Maximum RAM amount512 MBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed2000 MHzSystem Shared
Memory bandwidth32 GB/sno data
Shared memoryno data+

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 Connectors2x DVI, 1x S-VideoNo outputs

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Quick Syncno data+

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX10.1 (10_1)12 (12_1)
Shader Model4.16.4
OpenGL3.34.6
OpenCL1.12.1
VulkanN/A1.1.103

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

ATI HD 4670 0.98
Iris Plus Graphics 645 3.99
+307%

Iris Plus Graphics 645 outperforms Radeon HD 4670 by 307% based on our aggregate benchmark results.


Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. 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.

Benchmark coverage: 25%

ATI HD 4670 380
Iris Plus Graphics 645 1727
+354%

Iris Plus Graphics 645 outperforms Radeon HD 4670 by 354% in Passmark.

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 HD6−7
−367%
28
+367%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 1−2
−600%
7−8
+600%

Full HD
Medium Preset

Assassin's Creed Odyssey 1−2
−700%
8−9
+700%
Assassin's Creed Valhalla 0−1 2−3
Battlefield 5 2−3
−350%
9−10
+350%
Call of Duty: Modern Warfare 2−3
−350%
9−10
+350%
Cyberpunk 2077 1−2
−600%
7−8
+600%
Far Cry 5 1−2
−700%
8−9
+700%
Far Cry New Dawn 2−3
−450%
10−12
+450%
Forza Horizon 4 4−5
−350%
18−20
+350%
Hitman 3 1−2
−700%
8−9
+700%
Horizon Zero Dawn 5−6
−340%
21−24
+340%
Metro Exodus 1−2
−400%
5−6
+400%
Red Dead Redemption 2 2−3
−400%
10−11
+400%
Shadow of the Tomb Raider 3−4
−400%
14−16
+400%
Watch Dogs: Legion 4−5
−375%
18−20
+375%

Full HD
High Preset

Assassin's Creed Odyssey 1−2
−700%
8−9
+700%
Assassin's Creed Valhalla 0−1 2−3
Battlefield 5 2−3
−350%
9−10
+350%
Call of Duty: Modern Warfare 2−3
−350%
9−10
+350%
Cyberpunk 2077 1−2
−600%
7−8
+600%
Far Cry 5 1−2
−700%
8−9
+700%
Far Cry New Dawn 2−3
−450%
10−12
+450%
Forza Horizon 4 4−5
−350%
18−20
+350%
Hitman 3 1−2
−700%
8−9
+700%
Horizon Zero Dawn 5−6
−340%
21−24
+340%
Metro Exodus 1−2
−400%
5−6
+400%
Red Dead Redemption 2 2−3
−400%
10−11
+400%
Shadow of the Tomb Raider 3−4
−400%
14−16
+400%
The Witcher 3: Wild Hunt 2−3
−350%
9−10
+350%
Watch Dogs: Legion 4−5
−375%
18−20
+375%

Full HD
Ultra Preset

Assassin's Creed Odyssey 1−2
−700%
8−9
+700%
Assassin's Creed Valhalla 0−1 2−3
Call of Duty: Modern Warfare 2−3
−350%
9−10
+350%
Cyberpunk 2077 1−2
−600%
7−8
+600%
Far Cry 5 1−2
−700%
8−9
+700%
Forza Horizon 4 4−5
−350%
18−20
+350%
Horizon Zero Dawn 5−6
−340%
21−24
+340%
Shadow of the Tomb Raider 3−4
−400%
14−16
+400%
The Witcher 3: Wild Hunt 2−3
−350%
9−10
+350%
Watch Dogs: Legion 4−5
−375%
18−20
+375%

Full HD
Epic Preset

Red Dead Redemption 2 2−3
−400%
10−11
+400%

1440p
High Preset

Battlefield 5 1−2
−600%
7−8
+600%
Far Cry New Dawn 1−2
−400%
5−6
+400%

1440p
Ultra Preset

Assassin's Creed Odyssey 0−1 3−4
Call of Duty: Modern Warfare 1−2
−500%
6−7
+500%
Cyberpunk 2077 0−1 2−3
Far Cry 5 1−2
−500%
6−7
+500%
Forza Horizon 4 1−2
−500%
6−7
+500%
Hitman 3 1−2
−700%
8−9
+700%
Horizon Zero Dawn 2−3
−350%
9−10
+350%
The Witcher 3: Wild Hunt 0−1 3−4
Watch Dogs: Legion 0−1 1−2

1440p
Epic Preset

Red Dead Redemption 2 1−2
−700%
8−9
+700%

4K
High Preset

Battlefield 5 0−1 2−3
Far Cry New Dawn 0−1 2−3
Hitman 3 0−1 0−1
Horizon Zero Dawn 0−1 4−5
Shadow of the Tomb Raider 0−1 1−2

4K
Ultra Preset

Assassin's Creed Odyssey 0−1 3−4
Assassin's Creed Valhalla 0−1 1−2
Call of Duty: Modern Warfare 0−1 1−2
Cyberpunk 2077 0−1 0−1
Far Cry 5 0−1 2−3
Forza Horizon 4 0−1 2−3
Horizon Zero Dawn 0−1 4−5
Metro Exodus 1−2
−500%
6−7
+500%
Watch Dogs: Legion 0−1 1−2

4K
Epic Preset

Red Dead Redemption 2 1−2
−400%
5−6
+400%

This is how ATI HD 4670 and Iris Plus Graphics 645 compete in popular games:

  • Iris Plus Graphics 645 is 367% faster in 1080p

Pros & cons summary


Performance score 0.98 3.99
Recency 10 September 2008 10 July 2019
Chip lithography 55 nm 14 nm
Power consumption (TDP) 59 Watt 15 Watt

The Iris Plus Graphics 645 is our recommended choice as it beats the Radeon HD 4670 in performance tests.

Be aware that Radeon HD 4670 is a desktop card while Iris Plus Graphics 645 is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


ATI Radeon HD 4670
Radeon HD 4670
Intel Iris Plus Graphics 645
Iris Plus Graphics 645

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.5 143 votes

Rate Radeon HD 4670 on a scale of 1 to 5:

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3 104 votes

Rate Iris Plus Graphics 645 on a scale of 1 to 5:

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.