Radeon RX 6600 XT vs R9 M395X

Place in performance ranking	354	79
Place by popularity	not in top-100	51
Value for money	no data	47.30
Architecture	GCN 3 (2014−2016)	Navi / RDNA2 (2020−2022)
GPU code name	Amethyst XT	Navi 23
Market segment	Laptop	Desktop
Release date	16 October 2014 (9 years old)	30 July 2021 (2 years old)
Launch price (MSRP)	no data	$379
Current price	no data	$283 (0.7x MSRP)

Value for money

Performance to price ratio. The higher, the better.

no data

Technical specs

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 cores	2048	2048
Core clock speed	723 MHz	1968 MHz
Boost clock speed	no data	2589 MHz
Number of transistors	5,000 million	11,060 million
Manufacturing process technology	28 nm	7 nm
Power consumption (TDP)	250 Watt	160 (TGP) Watt
Texture fill rate	92.54	331.4
Floating-point performance	2,961 gflops	no data

Size and compatibility

Information on Radeon R9 M395X and Radeon RX 6600 XT 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.

Laptop size	large	no data
Bus support	PCIe 3.0	no data
Interface	PCIe 3.0 x16	PCIe 4.0 x8
Length	no data	190 mm
Width	no data	2-slot
Supplementary power connectors	None	1x 8-pin

Memory

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	GDDR5	GDDR6
Maximum RAM amount	4 GB	8 GB
Memory bus width	256 Bit	128 Bit
Memory clock speed	1250 MHz	16000 MHz
Memory bandwidth	160.0 GB/s	256.0 GB/s
Shared memory	-	-

Video outputs and ports

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	1x HDMI, 2x DisplayPort
Eyefinity	1	no data
HDMI	no data	+

Technologies

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

AppAcceleration	-	no data
Enduro	-	no data
FreeSync	1	no data
HD3D	+	no data
PowerTune	+	no data
DualGraphics	1	no data
TrueAudio	+	no data
ZeroCore	+	no data
Switchable graphics	1	no data

API support

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

DirectX	DirectX® 12	12.0 Ultimate (12_2)
Shader Model	6.3	6.5
OpenGL	4.4	4.6
OpenCL	Not Listed	2.1
Vulkan	no data	1.2
Mantle	+	no data

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.

R9 M395X 13.41

RX 6600 XT 42.57
+217%

RX 6600 XT outperforms R9 M395X by 217% based on our aggregated 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%

R9 M395X 5194

RX 6600 XT 16490
+217%

RX 6600 XT outperforms R9 M395X by 217% in Passmark.

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.

Benchmark coverage: 14%

R9 M395X 7921

RX 6600 XT 28342
+258%

RX 6600 XT outperforms R9 M395X by 258% in 3DMark Fire Strike Graphics.

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	40−45 −230%	132 +230%
1440p	21−24 −252%	74 +252%
4K	12−14 −242%	41 +242%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

21−24

−276%

79
+276%

Full HD
Medium Preset

Assassin's Creed Odyssey	27−30 −164%	70−75 +164%
Assassin's Creed Valhalla	21−24 −486%	129 +486%
Battlefield 5	45−50 −161%	120−130 +161%
Call of Duty: Modern Warfare	35−40 −234%	110−120 +234%
Cyberpunk 2077	21−24 −271%	78 +271%
Far Cry 5	35−40 −331%	151 +331%
Far Cry New Dawn	35−40 −264%	131 +264%
Forza Horizon 4	45−50 −172%	120−130 +172%
Hitman 3	35−40 −514%	221 +514%
Horizon Zero Dawn	27−30 −389%	137 +389%
Red Dead Redemption 2	21−24 −200%	65−70 +200%
Shadow of the Tomb Raider	27−30 −493%	166 +493%
Watch Dogs: Legion	24−27 −380%	120 +380%

Full HD
High Preset

Assassin's Creed Odyssey	27−30 −164%	70−75 +164%
Assassin's Creed Valhalla	21−24 −382%	106 +382%
Battlefield 5	45−50 −161%	120−130 +161%
Call of Duty: Modern Warfare	35−40 −234%	110−120 +234%
Cyberpunk 2077	21−24 −262%	76 +262%
Far Cry 5	35−40 −303%	141 +303%
Far Cry New Dawn	35−40 −253%	127 +253%
Forza Horizon 4	45−50 −172%	120−130 +172%
Hitman 3	35−40 −408%	183 +408%
Horizon Zero Dawn	27−30 −289%	109 +289%
Metro Exodus	21−24 −352%	95 +352%
Red Dead Redemption 2	21−24 −200%	65−70 +200%
Shadow of the Tomb Raider	27−30 −407%	142 +407%
The Witcher 3: Wild Hunt	27−30 −529%	176 +529%
Watch Dogs: Legion	24−27 −316%	104 +316%

Full HD
Ultra Preset

Assassin's Creed Odyssey	27−30 −164%	70−75 +164%
Assassin's Creed Valhalla	21−24 −241%	75 +241%
Battlefield 5	45−50 −161%	120−130 +161%
Cyberpunk 2077	21−24 −229%	69 +229%
Far Cry 5	35−40 −280%	133 +280%
Far Cry New Dawn	35−40 −211%	112 +211%
Forza Horizon 4	45−50 −172%	120−130 +172%
The Witcher 3: Wild Hunt	27−30 −254%	99 +254%
Watch Dogs: Legion	24−27 −144%	61 +144%

1440p
High Preset

Call of Duty: Modern Warfare	20−22 −260%	70−75 +260%
Hitman 3	21−24 −433%	112 +433%
Horizon Zero Dawn	18−20 −300%	76 +300%
Metro Exodus	12−14 −367%	56 +367%
Red Dead Redemption 2	10−11 −250%	35−40 +250%
Shadow of the Tomb Raider	16−18 −394%	84 +394%

1440p
Ultra Preset

Assassin's Creed Odyssey	14−16 −229%	45−50 +229%
Assassin's Creed Valhalla	10−11 −460%	56 +460%
Battlefield 5	27−30 −226%	85−90 +226%
Cyberpunk 2077	7−8 −471%	40 +471%
Far Cry 5	21−24 −377%	105 +377%
Far Cry New Dawn	24−27 −308%	98 +308%
Forza Horizon 4	24−27 −250%	90−95 +250%
The Witcher 3: Wild Hunt	12−14 −392%	60−65 +392%
Watch Dogs: Legion	8−9 −450%	44 +450%

4K
High Preset

Call of Duty: Modern Warfare	9−10 −344%	40−45 +344%
Hitman 3	12−14 −375%	57 +375%
Horizon Zero Dawn	10−11 −100%	20 +100%
Metro Exodus	6−7 −467%	34 +467%
Red Dead Redemption 2	7−8 −229%	21−24 +229%
Shadow of the Tomb Raider	8−9 −400%	40 +400%
The Witcher 3: Wild Hunt	12−14 −350%	54 +350%

4K
Ultra Preset

Assassin's Creed Odyssey	8−9 −275%	30−33 +275%
Assassin's Creed Valhalla	6−7 −367%	28 +367%
Battlefield 5	12−14 −300%	50−55 +300%
Cyberpunk 2077	2−3 −600%	14 +600%
Far Cry 5	10−12 −364%	51 +364%
Far Cry New Dawn	12−14 −308%	53 +308%
Forza Horizon 4	18−20 −233%	60−65 +233%
Watch Dogs: Legion	5−6 −380%	24 +380%

This is how R9 M395X and RX 6600 XT compete in popular games:

RX 6600 XT is 230% faster than R9 M395X in 1080p
RX 6600 XT is 252% faster than R9 M395X in 1440p
RX 6600 XT is 242% faster than R9 M395X in 4K

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

in Cyberpunk 2077, with 4K resolution and the Ultra Preset, the RX 6600 XT is 600% faster than the R9 M395X.

All in all, in popular games:

Without exception, RX 6600 XT surpassed R9 M395X in all 68 of our tests.

Advantages and disadvantages

Performance score	13.41	42.57
Recency	16 October 2014	30 July 2021
Maximum RAM amount	4 GB	8 GB
Chip lithography	28 nm	7 nm
Power consumption (TDP)	250 Watt	160 Watt