Radeon 740M vs HD 6620G

Place in the ranking	1126	503
Place by popularity	not in top-100	not in top-100
Power efficiency	1.75	38.63
Architecture	TeraScale 2 (2009−2015)	RDNA 3.0 (2022−2024)
GPU code name	Sumo	Phoenix
Market segment	Laptop	Laptop
Release date	7 December 2011 (12 years ago)	4 January 2023 (1 year ago)

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	400	256
Core clock speed	444 MHz	800 MHz
Boost clock speed	no data	2500 MHz
Number of transistors	1,178 million	25,390 million
Manufacturing process technology	32 nm	4 nm
Power consumption (TDP)	35 Watt	15 Watt
Texture fill rate	8.880	40.00
Floating-point processing power	0.3552 TFLOPS	2.56 TFLOPS
ROPs	8	8
TMUs	20	16
Ray Tracing Cores	no data	4

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).

Laptop size	medium sized	no data
Interface	IGP	PCIe 4.0 x8
Supplementary power connectors	no data	None

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	System Shared	System Shared
Maximum RAM amount	System Shared	System Shared
Memory bus width	System Shared	System Shared
Memory clock speed	System Shared	System Shared
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

No outputs

Portable Device Dependent

API compatibility

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

DirectX	11.2 (11_0)	12 Ultimate (12_2)
Shader Model	5.0	6.7
OpenGL	4.4	4.6
OpenCL	1.2	2.1
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. 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.

HD 6620G 0.88

Radeon 740M 8.31
+844%

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.

HD 6620G 341

Radeon 740M 3204
+840%

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

−61.5%

21
+61.5%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

3−4

−367%

14−16
+367%

Full HD
Medium Preset

Assassin's Creed Odyssey	5−6 −320%	21−24 +320%
Call of Duty: Modern Warfare	3−4 −500%	18−20 +500%
Cyberpunk 2077	3−4 −367%	14−16 +367%
Far Cry 5	0−1	20−22
Far Cry New Dawn	2−3 −1150%	24−27 +1150%
Hitman 3	5−6 −240%	16−18 +240%
Horizon Zero Dawn	12−14 −317%	50−55 +317%
Red Dead Redemption 2	1−2 −2300%	24−27 +2300%
Shadow of the Tomb Raider	7−8 −314%	27−30 +314%
Watch Dogs: Legion	30−35 −90.3%	55−60 +90.3%

Full HD
High Preset

Assassin's Creed Odyssey	5−6 −320%	21−24 +320%
Call of Duty: Modern Warfare	3−4 −500%	18−20 +500%
Cyberpunk 2077	3−4 −367%	14−16 +367%
Far Cry 5	0−1	20−22
Far Cry New Dawn	2−3 −1150%	24−27 +1150%
Hitman 3	5−6 −240%	16−18 +240%
Horizon Zero Dawn	12−14 −317%	50−55 +317%
Red Dead Redemption 2	1−2 −2300%	24−27 +2300%
Shadow of the Tomb Raider	7−8 −314%	27−30 +314%
The Witcher 3: Wild Hunt	10−11 −150%	24−27 +150%
Watch Dogs: Legion	30−35 −90.3%	55−60 +90.3%

Full HD
Ultra Preset

Assassin's Creed Odyssey	5−6 −320%	21−24 +320%
Call of Duty: Modern Warfare	3−4 −500%	18−20 +500%
Cyberpunk 2077	3−4 −367%	14−16 +367%
Far Cry 5	0−1	20−22
Hitman 3	5−6 −240%	16−18 +240%
Horizon Zero Dawn	12−14 −317%	50−55 +317%
Shadow of the Tomb Raider	7−8 −314%	27−30 +314%
The Witcher 3: Wild Hunt	10−11 −150%	24−27 +150%
Watch Dogs: Legion	30−35 −90.3%	55−60 +90.3%

Full HD
Epic Preset

Red Dead Redemption 2

1−2

−2300%

24−27
+2300%

1440p
High Preset

Battlefield 5	0−1	16−18
Far Cry New Dawn	1−2 −1200%	12−14 +1200%

1440p
Ultra Preset

Assassin's Creed Odyssey	0−1	8−9
Cyberpunk 2077	1−2 −300%	4−5 +300%
Far Cry 5	1−2 −900%	10−11 +900%
Hitman 3	7−8 −71.4%	12−14 +71.4%
Horizon Zero Dawn	4−5 −350%	18−20 +350%
The Witcher 3: Wild Hunt	0−1	8−9
Watch Dogs: Legion	3−4 −1767%	55−60 +1767%

1440p
Epic Preset

Red Dead Redemption 2

3−4

−400%

14−16
+400%

4K
High Preset

Far Cry New Dawn

0−1

6−7

4K
Ultra Preset

Assassin's Creed Odyssey	1−2 −400%	5−6 +400%
Assassin's Creed Valhalla	0−1	4−5
Far Cry 5	0−1	5−6

4K
Epic Preset

Red Dead Redemption 2

2−3

−350%

9−10
+350%

Full HD
Medium Preset

Assassin's Creed Valhalla	12−14 +0%	12−14 +0%
Battlefield 5	27−30 +0%	27−30 +0%
Forza Horizon 4	55−60 +0%	55−60 +0%
Metro Exodus	27−30 +0%	27−30 +0%

Full HD
High Preset

Assassin's Creed Valhalla	12−14 +0%	12−14 +0%
Battlefield 5	27−30 +0%	27−30 +0%
Forza Horizon 4	55−60 +0%	55−60 +0%
Metro Exodus	27−30 +0%	27−30 +0%

Full HD
Ultra Preset

Assassin's Creed Valhalla	12−14 +0%	12−14 +0%
Forza Horizon 4	55−60 +0%	55−60 +0%

1440p
Ultra Preset

Assassin's Creed Valhalla	4−5 +0%	4−5 +0%
Call of Duty: Modern Warfare	9−10 +0%	9−10 +0%
Forza Horizon 4	35−40 +0%	35−40 +0%
Metro Exodus	12−14 +0%	12−14 +0%
Shadow of the Tomb Raider	9−10 +0%	9−10 +0%

4K
High Preset

Battlefield 5	8−9 +0%	8−9 +0%
Hitman 3	5−6 +0%	5−6 +0%
Horizon Zero Dawn	30−35 +0%	30−35 +0%
Metro Exodus	6−7 +0%	6−7 +0%
The Witcher 3: Wild Hunt	6−7 +0%	6−7 +0%

4K
Ultra Preset

Call of Duty: Modern Warfare	4−5 +0%	4−5 +0%
Cyberpunk 2077	1−2 +0%	1−2 +0%
Forza Horizon 4	10−11 +0%	10−11 +0%
Shadow of the Tomb Raider	5−6 +0%	5−6 +0%
Watch Dogs: Legion	3−4 +0%	3−4 +0%

This is how HD 6620G and Radeon 740M compete in popular games:

Radeon 740M is 62% faster in 1080p

Here's the range of performance differences observed across popular games:

in Red Dead Redemption 2, with 1080p resolution and the Medium Preset, the Radeon 740M is 2300% faster.

All in all, in popular games:

Radeon 740M is ahead in 38 tests (60%)
there's a draw in 25 tests (40%)

Pros & cons summary

Performance score	0.88	8.31
Recency	7 December 2011	4 January 2023
Chip lithography	32 nm	4 nm
Power consumption (TDP)	35 Watt	15 Watt

Radeon 740M has a 844.3% higher aggregate performance score, an age advantage of 11 years, a 700% more advanced lithography process, and 133.3% lower power consumption.

The Radeon 740M is our recommended choice as it beats the Radeon HD 6620G in performance tests.

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