Radeon RX 6600M vs 625

Place in the ranking	789	136
Place by popularity	not in top-100	not in top-100
Power efficiency	3.95	24.84
Architecture	GCN 3.0 (2014−2019)	RDNA 2.0 (2020−2024)
GPU code name	Polaris 24	Navi 23
Market segment	Laptop	Laptop
Release date	13 May 2019 (5 years ago)	31 May 2021 (3 years 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	384	1792
Core clock speed	730 MHz	2068 MHz
Boost clock speed	1024 MHz	2416 MHz
Number of transistors	1,550 million	11,060 million
Manufacturing process technology	28 nm	7 nm
Power consumption (TDP)	50 Watt	100 Watt
Texture fill rate	24.58	270.6
Floating-point processing power	0.7864 TFLOPS	8.659 TFLOPS
ROPs	8	64
TMUs	24	112
Ray Tracing Cores	no data	28

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	no data	medium sized
Interface	PCIe 3.0 x8	PCIe 4.0 x8
Supplementary power connectors	None	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	DDR3	GDDR6
Maximum RAM amount	2 GB	8 GB
Memory bus width	64 Bit	128 Bit
Memory clock speed	900 MHz	1750 MHz
Memory bandwidth	14.4 GB/s	224.0 GB/s
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

API compatibility

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

DirectX	12 (12_0)	12 Ultimate (12_2)
Shader Model	6.3	6.5
OpenGL	4.6	4.6
OpenCL	2.0	2.1
Vulkan	1.2.131	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.

Radeon 625 2.84

RX 6600M 35.74
+1158%

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.

Radeon 625 1094

RX 6600M 13789
+1160%

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	7−8 −1300%	98 +1300%
1440p	4−5 −1250%	54 +1250%
4K	2−3 −1450%	31 +1450%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

5−6

−2100%

110
+2100%

Full HD
Medium Preset

Assassin's Creed Odyssey	9−10 −1100%	108 +1100%
Assassin's Creed Valhalla	1−2 −9400%	95 +9400%
Battlefield 5	4−5 −2775%	110−120 +2775%
Call of Duty: Modern Warfare	7−8 −929%	70−75 +929%
Cyberpunk 2077	5−6 −1700%	90 +1700%
Far Cry 5	5−6 −1460%	75−80 +1460%
Far Cry New Dawn	7−8 −1171%	85−90 +1171%
Forza Horizon 4	14−16 −1200%	180−190 +1200%
Hitman 3	8−9 −838%	75−80 +838%
Horizon Zero Dawn	21−24 −586%	150−160 +586%
Metro Exodus	3−4 −3767%	110−120 +3767%
Red Dead Redemption 2	7−8 −1114%	85−90 +1114%
Shadow of the Tomb Raider	12−14 −958%	120−130 +958%
Watch Dogs: Legion	35−40 −224%	120−130 +224%

Full HD
High Preset

Assassin's Creed Odyssey	9−10 −2111%	199 +2111%
Assassin's Creed Valhalla	1−2 −7800%	79 +7800%
Battlefield 5	4−5 −2775%	110−120 +2775%
Call of Duty: Modern Warfare	7−8 −929%	70−75 +929%
Cyberpunk 2077	5−6 −1340%	72 +1340%
Far Cry 5	5−6 −1460%	75−80 +1460%
Far Cry New Dawn	7−8 −1171%	85−90 +1171%
Forza Horizon 4	14−16 −1200%	180−190 +1200%
Hitman 3	8−9 −838%	75−80 +838%
Horizon Zero Dawn	21−24 −586%	150−160 +586%
Metro Exodus	3−4 −3767%	110−120 +3767%
Red Dead Redemption 2	7−8 −1114%	85−90 +1114%
Shadow of the Tomb Raider	12−14 −1342%	173 +1342%
The Witcher 3: Wild Hunt	14−16 −429%	70−75 +429%
Watch Dogs: Legion	35−40 −224%	120−130 +224%

Full HD
Ultra Preset

Assassin's Creed Odyssey	9−10 −778%	79 +778%
Assassin's Creed Valhalla	1−2 −6800%	69 +6800%
Call of Duty: Modern Warfare	7−8 −929%	70−75 +929%
Cyberpunk 2077	5−6 −1120%	61 +1120%
Far Cry 5	5−6 −1460%	75−80 +1460%
Forza Horizon 4	14−16 −1100%	168 +1100%
Hitman 3	8−9 −838%	75−80 +838%
Horizon Zero Dawn	21−24 −509%	134 +509%
Shadow of the Tomb Raider	12−14 −1175%	153 +1175%
The Witcher 3: Wild Hunt	14−16 −507%	85 +507%
Watch Dogs: Legion	35−40 −55.3%	59 +55.3%

Full HD
Epic Preset

Red Dead Redemption 2

7−8

−1114%

85−90
+1114%

1440p
High Preset

Battlefield 5	5−6 −1260%	65−70 +1260%
Far Cry New Dawn	4−5 −1250%	50−55 +1250%

1440p
Ultra Preset

Assassin's Creed Odyssey	2−3 −2450%	51 +2450%
Call of Duty: Modern Warfare	2−3 −1950%	40−45 +1950%
Cyberpunk 2077	1−2 −3500%	36 +3500%
Far Cry 5	3−4 −1267%	40−45 +1267%
Hitman 3	8−9 −463%	45−50 +463%
Horizon Zero Dawn	7−8 −1300%	98 +1300%
The Witcher 3: Wild Hunt	2−3 −3000%	62 +3000%
Watch Dogs: Legion	16−18 −965%	180−190 +965%

1440p
Epic Preset

Red Dead Redemption 2

6−7

−917%

60−65
+917%

4K
High Preset

Battlefield 5	1−2 −3400%	35−40 +3400%
Far Cry New Dawn	2−3 −1350%	27−30 +1350%

4K
Ultra Preset

Assassin's Creed Odyssey	2−3 −1350%	29 +1350%
Assassin's Creed Valhalla	1−2 −2600%	27 +2600%
Call of Duty: Modern Warfare	1−2 −2100%	21−24 +2100%
Far Cry 5	1−2 −1900%	20−22 +1900%
Forza Horizon 4	0−1	74
Watch Dogs: Legion	0−1	21

4K
Epic Preset

Red Dead Redemption 2

4−5

−675%

30−35
+675%

1440p
Ultra Preset

Assassin's Creed Valhalla	52 +0%	52 +0%
Forza Horizon 4	200−210 +0%	200−210 +0%
Metro Exodus	85 +0%	85 +0%
Shadow of the Tomb Raider	100 +0%	100 +0%

4K
High Preset

Hitman 3	27−30 +0%	27−30 +0%
Horizon Zero Dawn	170−180 +0%	170−180 +0%
Metro Exodus	40−45 +0%	40−45 +0%
The Witcher 3: Wild Hunt	44 +0%	44 +0%

4K
Ultra Preset

Cyberpunk 2077	14 +0%	14 +0%
Shadow of the Tomb Raider	52 +0%	52 +0%

This is how Radeon 625 and RX 6600M compete in popular games:

RX 6600M is 1300% faster in 1080p
RX 6600M is 1250% faster in 1440p
RX 6600M is 1450% faster in 4K

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

in Assassin's Creed Valhalla, with 1080p resolution and the Medium Preset, the RX 6600M is 9400% faster.

All in all, in popular games:

RX 6600M is ahead in 60 tests (86%)
there's a draw in 10 tests (14%)

Pros & cons summary

Performance score	2.84	35.74
Recency	13 May 2019	31 May 2021
Maximum RAM amount	2 GB	8 GB
Chip lithography	28 nm	7 nm
Power consumption (TDP)	50 Watt	100 Watt

Radeon 625 has 100% lower power consumption.

RX 6600M, on the other hand, has a 1158.5% higher aggregate performance score, an age advantage of 2 years, a 300% higher maximum VRAM amount, and a 300% more advanced lithography process.

The Radeon RX 6600M is our recommended choice as it beats the Radeon 625 in performance tests.

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