Radeon RX 6600S vs R9 295X2

Place in the ranking	258	177
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.34	no data
Power efficiency	3.08	27.91
Architecture	GCN 2.0 (2013−2017)	RDNA 2.0 (2020−2024)
GPU code name	Vesuvius	Navi 23
Market segment	Desktop	Laptop
Design	reference	no data
Release date	29 April 2014 (10 years ago)	4 January 2022 (3 years ago)
Launch price (MSRP)	$1,499	no data

Cost-effectiveness evaluation

The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.

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	2816	1792
Core clock speed	no data	1700 MHz
Boost clock speed	1018 MHz	2000 MHz
Number of transistors	6,200 million	11,060 million
Manufacturing process technology	28 nm	7 nm
Power consumption (TDP)	500 Watt	80 Watt
Texture fill rate	179.2	224.0
Floating-point processing power	5.733 TFLOPS	7.168 TFLOPS
ROPs	64	64
TMUs	176	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
Bus support	PCIe 2.1 x16	no data
Interface	PCIe 3.0 x16	PCIe 4.0 x8
Length	307 mm	no data
Width	2-slot	no data
Supplementary power connectors	2 x 8-pin	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	GDDR5	GDDR6
Maximum RAM amount	8 GB	4 GB
Memory bus width	512 Bit	128 Bit
Memory clock speed	1250 MHz	1750 MHz
Memory bandwidth	640 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	1x DVI, 4x mini-DisplayPort	No outputs
Eyefinity	+	-
HDMI	+	-

Supported technologies

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

CrossFire	+	-
FreeSync	+	-
HD3D	+	-
LiquidVR	+	-
TressFX	+	-
UVD	+	-
DDMA audio	+	no data

API and SDK compatibility

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

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

R9 295X2 21.65

RX 6600S 31.42
+45.1%

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.

R9 295X2 8573

RX 6600S 12444
+45.2%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	60−65 +0%	60−65 +0%
Cyberpunk 2077	65−70 +0%	65−70 +0%

Full HD
Medium Preset

Battlefield 5	90−95 +0%	90−95 +0%
Counter-Strike 2	60−65 +0%	60−65 +0%
Cyberpunk 2077	65−70 +0%	65−70 +0%
Forza Horizon 4	150−160 +0%	150−160 +0%
Forza Horizon 5	80−85 +0%	80−85 +0%
Metro Exodus	80−85 +0%	80−85 +0%
Red Dead Redemption 2	65−70 +0%	65−70 +0%
Valorant	120−130 +0%	120−130 +0%

Full HD
High Preset

Battlefield 5	90−95 +0%	90−95 +0%
Counter-Strike 2	60−65 +0%	60−65 +0%
Cyberpunk 2077	65−70 +0%	65−70 +0%
Dota 2	100−110 +0%	100−110 +0%
Far Cry 5	85−90 +0%	85−90 +0%
Fortnite	150−160 +0%	150−160 +0%
Forza Horizon 4	150−160 +0%	150−160 +0%
Forza Horizon 5	80−85 +0%	80−85 +0%
Grand Theft Auto V	100−110 +0%	100−110 +0%
Metro Exodus	80−85 +0%	80−85 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	180−190 +0%	180−190 +0%
Red Dead Redemption 2	65−70 +0%	65−70 +0%
The Witcher 3: Wild Hunt	110−120 +0%	110−120 +0%
Valorant	120−130 +0%	120−130 +0%
World of Tanks	270−280 +0%	270−280 +0%

Full HD
Ultra Preset

Battlefield 5	90−95 +0%	90−95 +0%
Counter-Strike 2	60−65 +0%	60−65 +0%
Cyberpunk 2077	65−70 +0%	65−70 +0%
Dota 2	100−110 +0%	100−110 +0%
Far Cry 5	85−90 +0%	85−90 +0%
Forza Horizon 4	150−160 +0%	150−160 +0%
Forza Horizon 5	80−85 +0%	80−85 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	180−190 +0%	180−190 +0%
Valorant	120−130 +0%	120−130 +0%

1440p
High Preset

Dota 2	55−60 +0%	55−60 +0%
Grand Theft Auto V	55−60 +0%	55−60 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	170−180 +0%	170−180 +0%
Red Dead Redemption 2	30−35 +0%	30−35 +0%
World of Tanks	200−210 +0%	200−210 +0%

1440p
Ultra Preset

Battlefield 5	60−65 +0%	60−65 +0%
Counter-Strike 2	24−27 +0%	24−27 +0%
Cyberpunk 2077	30−33 +0%	30−33 +0%
Far Cry 5	100−110 +0%	100−110 +0%
Forza Horizon 4	90−95 +0%	90−95 +0%
Forza Horizon 5	50−55 +0%	50−55 +0%
Metro Exodus	70−75 +0%	70−75 +0%
The Witcher 3: Wild Hunt	50−55 +0%	50−55 +0%
Valorant	90−95 +0%	90−95 +0%

4K
High Preset

Counter-Strike 2	14−16 +0%	14−16 +0%
Dota 2	60−65 +0%	60−65 +0%
Grand Theft Auto V	60−65 +0%	60−65 +0%
Metro Exodus	24−27 +0%	24−27 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	100−110 +0%	100−110 +0%
Red Dead Redemption 2	21−24 +0%	21−24 +0%
The Witcher 3: Wild Hunt	60−65 +0%	60−65 +0%

4K
Ultra Preset

Battlefield 5	35−40 +0%	35−40 +0%
Counter-Strike 2	14−16 +0%	14−16 +0%
Cyberpunk 2077	12−14 +0%	12−14 +0%
Dota 2	60−65 +0%	60−65 +0%
Far Cry 5	45−50 +0%	45−50 +0%
Fortnite	40−45 +0%	40−45 +0%
Forza Horizon 4	50−55 +0%	50−55 +0%
Forza Horizon 5	27−30 +0%	27−30 +0%
Valorant	45−50 +0%	45−50 +0%

All in all, in popular games:

there's a draw in 64 tests (100%)

Pros & cons summary

Performance score	21.65	31.42
Recency	29 April 2014	4 January 2022
Maximum RAM amount	8 GB	4 GB
Chip lithography	28 nm	7 nm
Power consumption (TDP)	500 Watt	80 Watt

R9 295X2 has a 100% higher maximum VRAM amount.

RX 6600S, on the other hand, has a 45.1% higher aggregate performance score, an age advantage of 7 years, a 300% more advanced lithography process, and 525% lower power consumption.

The Radeon RX 6600S is our recommended choice as it beats the Radeon R9 295X2 in performance tests.

Be aware that Radeon R9 295X2 is a desktop card while Radeon RX 6600S is a notebook one.

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