Radeon RX 6600M vs Pro Vega 64X

Place in performance ranking	140	137
Place by popularity	not in top-100	not in top-100
Architecture	GCN 5.0 (2017−2020)	RDNA 2 (2020−2023)
GPU code name	Vega 10	R21M-E65-70
Market segment	Mobile workstation	Laptop
Release date	19 March 2019 (5 years ago)	1 September 2020 (4 years ago)

Detailed specifications

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	4096	1792
Core clock speed	1250 MHz	2068 MHz
Boost clock speed	1468 MHz	2177 MHz
Number of transistors	12,500 million	11,060 million
Manufacturing process technology	14 nm	7 nm
Power consumption (TDP)	250 Watt	100 Watt (50 - 100 Watt TGP)
Texture fill rate	375.8	235.8
Floating-point performance	12.03 gflops	7.544 gflops

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 x16	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	HBM2	GDDR6
Maximum RAM amount	16 GB	8 GB
Memory bus width	2048 Bit	128 Bit
Memory clock speed	2000 MHz	14000 MHz
Memory bandwidth	512.0 GB/s	256.0 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 graphics and general-purpose computing APIs, including their specific versions.

DirectX	12 (12_1)	12 Ultimate (12_2)
Shader Model	6.4	6.5
OpenGL	4.6	4.6
OpenCL	2.0	2.1
Vulkan	1.1.125	1.2

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.

Pro Vega 64X 35.54

RX 6600M 35.69
+0.4%

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.

Pro Vega 64X 13708

RX 6600M 13765
+0.4%

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	95−100 −4.2%	99 +4.2%
1440p	50−55 −8%	54 +8%
4K	30−35 −6.7%	32 +6.7%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

110

+0%

110

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	108 +0%	108 +0%
Assassin's Creed Valhalla	95 +0%	95 +0%
Battlefield 5	110−120 +0%	110−120 +0%
Call of Duty: Modern Warfare	70−75 +0%	70−75 +0%
Cyberpunk 2077	90 +0%	90 +0%
Far Cry 5	75−80 +0%	75−80 +0%
Far Cry New Dawn	85−90 +0%	85−90 +0%
Forza Horizon 4	180−190 +0%	180−190 +0%
Hitman 3	75−80 +0%	75−80 +0%
Horizon Zero Dawn	150−160 +0%	150−160 +0%
Metro Exodus	110−120 +0%	110−120 +0%
Red Dead Redemption 2	85−90 +0%	85−90 +0%
Shadow of the Tomb Raider	120−130 +0%	120−130 +0%
Watch Dogs: Legion	120−130 +0%	120−130 +0%

Full HD
High Preset

Assassin's Creed Odyssey	199 +0%	199 +0%
Assassin's Creed Valhalla	79 +0%	79 +0%
Battlefield 5	110−120 +0%	110−120 +0%
Call of Duty: Modern Warfare	70−75 +0%	70−75 +0%
Cyberpunk 2077	72 +0%	72 +0%
Far Cry 5	75−80 +0%	75−80 +0%
Far Cry New Dawn	85−90 +0%	85−90 +0%
Forza Horizon 4	180−190 +0%	180−190 +0%
Hitman 3	75−80 +0%	75−80 +0%
Horizon Zero Dawn	150−160 +0%	150−160 +0%
Metro Exodus	110−120 +0%	110−120 +0%
Red Dead Redemption 2	85−90 +0%	85−90 +0%
Shadow of the Tomb Raider	173 +0%	173 +0%
The Witcher 3: Wild Hunt	70−75 +0%	70−75 +0%
Watch Dogs: Legion	120−130 +0%	120−130 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	79 +0%	79 +0%
Assassin's Creed Valhalla	69 +0%	69 +0%
Call of Duty: Modern Warfare	70−75 +0%	70−75 +0%
Cyberpunk 2077	61 +0%	61 +0%
Far Cry 5	75−80 +0%	75−80 +0%
Forza Horizon 4	168 +0%	168 +0%
Hitman 3	75−80 +0%	75−80 +0%
Horizon Zero Dawn	134 +0%	134 +0%
Shadow of the Tomb Raider	153 +0%	153 +0%
The Witcher 3: Wild Hunt	85 +0%	85 +0%
Watch Dogs: Legion	59 +0%	59 +0%

Full HD
Epic Preset

Red Dead Redemption 2

85−90

+0%

85−90

+0%

1440p
High Preset

Battlefield 5	65−70 +0%	65−70 +0%
Far Cry New Dawn	50−55 +0%	50−55 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	51 +0%	51 +0%
Assassin's Creed Valhalla	52 +0%	52 +0%
Call of Duty: Modern Warfare	40−45 +0%	40−45 +0%
Cyberpunk 2077	36 +0%	36 +0%
Far Cry 5	40−45 +0%	40−45 +0%
Forza Horizon 4	200−210 +0%	200−210 +0%
Hitman 3	45−50 +0%	45−50 +0%
Horizon Zero Dawn	98 +0%	98 +0%
Metro Exodus	85 +0%	85 +0%
Shadow of the Tomb Raider	100 +0%	100 +0%
The Witcher 3: Wild Hunt	62 +0%	62 +0%
Watch Dogs: Legion	180−190 +0%	180−190 +0%

1440p
Epic Preset

Red Dead Redemption 2

60−65

+0%

60−65

+0%

4K
High Preset

Battlefield 5	35−40 +0%	35−40 +0%
Far Cry New Dawn	27−30 +0%	27−30 +0%
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

Assassin's Creed Odyssey	29 +0%	29 +0%
Assassin's Creed Valhalla	27 +0%	27 +0%
Call of Duty: Modern Warfare	21−24 +0%	21−24 +0%
Cyberpunk 2077	14 +0%	14 +0%
Far Cry 5	20−22 +0%	20−22 +0%
Forza Horizon 4	74 +0%	74 +0%
Shadow of the Tomb Raider	52 +0%	52 +0%
Watch Dogs: Legion	21 +0%	21 +0%

4K
Epic Preset

Red Dead Redemption 2

30−35

+0%

30−35

+0%

This is how Pro Vega 64X and RX 6600M compete in popular games:

RX 6600M is 4% faster in 1080p
RX 6600M is 8% faster in 1440p
RX 6600M is 7% faster in 4K

All in all, in popular games:

there's a draw in 72 tests (100%)

Pros & cons summary

Performance score	35.54	35.69
Recency	19 March 2019	1 September 2020
Maximum RAM amount	16 GB	8 GB
Chip lithography	14 nm	7 nm
Power consumption (TDP)	250 Watt	100 Watt

Pro Vega 64X has a 100% higher maximum VRAM amount.

RX 6600M, on the other hand, has a 0.4% higher aggregate performance score, an age advantage of 1 year, a 100% more advanced lithography process, and 150% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Radeon Pro Vega 64X and Radeon RX 6600M.

Be aware that Radeon Pro Vega 64X is a mobile workstation card while Radeon RX 6600M is a mobile workstation one.

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