Iris Plus Graphics 645 vs GeForce 9800 GT

#ad 
Buy on Amazon
VS

Aggregate performance score

We've compared GeForce 9800 GT and Iris Plus Graphics 645, covering specs and all relevant benchmarks.

9800 GT
2008
1 GB GDDR3, 105 Watt
1.24

Iris Plus Graphics 645 outperforms 9800 GT by a whopping 258% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1036658
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.04no data
Power efficiency0.6920.50
ArchitectureTesla (2006−2010)Generation 9.5 (2016−2020)
GPU code nameG92Coffee Lake GT3e
Market segmentDesktopDesktop
Release date21 July 2008 (16 years ago)7 October 2019 (5 years ago)
Launch price (MSRP)$160 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores112384
Core clock speed600 MHz300 MHz
Boost clock speedno data1050 MHz
Number of transistors754 millionno data
Manufacturing process technology65 nm14 nm+++
Power consumption (TDP)105 Watt15 Watt
Maximum GPU temperature105 °Cno data
Texture fill rate33.6050.40
Floating-point processing power0.336 TFLOPS0.8064 TFLOPS
ROPs166
TMUs5648

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).

InterfacePCIe 2.0 x16Ring Bus
Length229 mmno data
Height1-slotno data
Width1-slotIGP
Supplementary power connectors1x 6-pinno data
SLI options+-

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 typeGDDR3System Shared
Maximum RAM amount1 GBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed900 MHzSystem Shared
Memory bandwidth57.6 GB/sno 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 ConnectorsHDTVDual Link DVIPortable Device Dependent
Multi monitor support+no data
Maximum VGA resolution2048x1536no data
Audio input for HDMIS/PDIFno data

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 3D and general-purpose computing APIs, including their specific versions.

DirectX11.1 (10_0)12 (12_1)
Shader Model4.06.4
OpenGL2.14.6
OpenCL1.13.0
VulkanN/A1.3
CUDA+-

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. 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.

9800 GT 1.24
Iris Plus Graphics 645 4.44
+258%

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.

9800 GT 478
Iris Plus Graphics 645 1715
+259%

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 HD7−8
−271%
26
+271%

Cost per frame, $

1080p22.86no data

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 7−8
+0%
7−8
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 10−12
+0%
10−12
+0%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Battlefield 5 9−10
+0%
9−10
+0%
Call of Duty: Modern Warfare 9−10
+0%
9−10
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 8−9
+0%
8−9
+0%
Far Cry New Dawn 10−12
+0%
10−12
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 27−30
+0%
27−30
+0%
Metro Exodus 8−9
+0%
8−9
+0%
Red Dead Redemption 2 10−11
+0%
10−11
+0%
Shadow of the Tomb Raider 14−16
+0%
14−16
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
High Preset

Assassin's Creed Odyssey 10−12
+0%
10−12
+0%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Battlefield 5 9−10
+0%
9−10
+0%
Call of Duty: Modern Warfare 9−10
+0%
9−10
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 8−9
+0%
8−9
+0%
Far Cry New Dawn 10−12
+0%
10−12
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 27−30
+0%
27−30
+0%
Metro Exodus 8−9
+0%
8−9
+0%
Red Dead Redemption 2 10−11
+0%
10−11
+0%
Shadow of the Tomb Raider 14−16
+0%
14−16
+0%
The Witcher 3: Wild Hunt 16−18
+0%
16−18
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 10−12
+0%
10−12
+0%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Call of Duty: Modern Warfare 9−10
+0%
9−10
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 8−9
+0%
8−9
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 27−30
+0%
27−30
+0%
Shadow of the Tomb Raider 14−16
+0%
14−16
+0%
The Witcher 3: Wild Hunt 16−18
+0%
16−18
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Epic Preset

Red Dead Redemption 2 10−11
+0%
10−11
+0%

1440p
High Preset

Battlefield 5 7−8
+0%
7−8
+0%
Far Cry New Dawn 6−7
+0%
6−7
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 3−4
+0%
3−4
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Far Cry 5 5−6
+0%
5−6
+0%
Forza Horizon 4 4−5
+0%
4−5
+0%
Hitman 3 8−9
+0%
8−9
+0%
Horizon Zero Dawn 9−10
+0%
9−10
+0%
The Witcher 3: Wild Hunt 3−4
+0%
3−4
+0%
Watch Dogs: Legion 24−27
+0%
24−27
+0%

1440p
Epic Preset

Red Dead Redemption 2 8−9
+0%
8−9
+0%

4K
High Preset

Battlefield 5 2−3
+0%
2−3
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%
Hitman 3 0−1 0−1
Metro Exodus 0−1 0−1

4K
Ultra Preset

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

4K
Epic Preset

Red Dead Redemption 2 5−6
+0%
5−6
+0%

This is how 9800 GT and Iris Plus Graphics 645 compete in popular games:

  • Iris Plus Graphics 645 is 271% faster in 1080p

All in all, in popular games:

  • there's a draw in 63 tests (100%)

Pros & cons summary


Performance score 1.24 4.44
Recency 21 July 2008 7 October 2019
Chip lithography 65 nm 14 nm
Power consumption (TDP) 105 Watt 15 Watt

Iris Plus Graphics 645 has a 258.1% higher aggregate performance score, an age advantage of 11 years, a 364.3% more advanced lithography process, and 600% lower power consumption.

The Iris Plus Graphics 645 is our recommended choice as it beats the GeForce 9800 GT in performance tests.


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.


NVIDIA GeForce 9800 GT
GeForce 9800 GT
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.


3.3 1428 votes

Rate GeForce 9800 GT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.9 116 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

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