Iris Plus Graphics G4 (Ice Lake 48 EU) vs GeForce GT 640

Place in the ranking	765	689
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.20	no data
Power efficiency	3.25	11.24
Architecture	Kepler (2012−2018)	Gen. 11 Ice Lake (2019−2022)
GPU code name	GK107	Ice Lake G4 Gen. 11
Market segment	Desktop	Laptop
Release date	5 June 2012 (12 years ago)	28 May 2019 (5 years ago)
Launch price (MSRP)	$99	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 cores	384	48
Core clock speed	902 MHz	300 MHz
Boost clock speed	no data	1100 MHz
Number of transistors	1,270 million	no data
Manufacturing process technology	28 nm	10 nm
Power consumption (TDP)	65 Watt	12-25 Watt
Texture fill rate	28.86	no data
Floating-point processing power	0.6927 TFLOPS	no data
ROPs	16	no data
TMUs	32	no data

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 3.0 x16	no data
Length	145 mm	no data
Width	1-slot	no data
Supplementary power connectors	None	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	DDR3	DDR4
Maximum RAM amount	2 GB	no data
Memory bus width	128 Bit	no data
Memory clock speed	891 MHz	no data
Memory bandwidth	28.51 GB/s	no data
Shared memory	no 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 Connectors	1x DVI, 1x HDMI, 1x DisplayPort	no data
HDMI	+	-

Supported technologies

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

Quick Sync

no data

API compatibility

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

DirectX	12 (11_0)	12_1
Shader Model	5.1	no data
OpenGL	4.6	no data
OpenCL	1.2	no data
Vulkan	1.1.126	-
CUDA	3.0	-

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.

GT 640 3.05

Iris Plus Graphics G4 (Ice Lake 48 EU) 4.06
+33.1%

3DMark Fire Strike Graphics

Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.

GT 640 1560

Iris Plus Graphics G4 (Ice Lake 48 EU) 2124
+36.2%

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

12−14

−33.3%

16
+33.3%

Cost per frame, $

1080p

8.25

no 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	11 +0%	11 +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 +0%	9 +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	19 +0%	19 +0%
Red Dead Redemption 2	10 +0%	10 +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	14 +0%	14 +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	7 +0%	7 +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	5−6 +0%	5−6 +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	3−4 +0%	3−4 +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 GT 640 and Iris Plus Graphics G4 (Ice Lake 48 EU) compete in popular games:

Iris Plus Graphics G4 (Ice Lake 48 EU) is 33% faster in 1080p

All in all, in popular games:

there's a draw in 63 tests (100%)

Pros & cons summary

Performance score	3.05	4.06
Recency	5 June 2012	28 May 2019
Chip lithography	28 nm	10 nm
Power consumption (TDP)	65 Watt	12 Watt

Iris Plus Graphics G4 (Ice Lake 48 EU) has a 33.1% higher aggregate performance score, an age advantage of 6 years, a 180% more advanced lithography process, and 441.7% lower power consumption.

The Iris Plus Graphics G4 (Ice Lake 48 EU) is our recommended choice as it beats the GeForce GT 640 in performance tests.

Be aware that GeForce GT 640 is a desktop card while Iris Plus Graphics G4 (Ice Lake 48 EU) is a notebook one.

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