RADEON

AMD Radeon RX 6600 XT

AMD graphics card specifications and benchmark scores

8 GB
VRAM
2589
MHz Boost
160W
TDP
128
Bus Width
Ray Tracing

AMD Radeon RX 6600 XT Specifications

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Radeon RX 6600 XT GPU Core

Shader units and compute resources

The AMD Radeon RX 6600 XT GPU core specifications define its raw processing power for graphics and compute workloads. Shading units (also called CUDA cores, stream processors, or execution units depending on manufacturer) handle the parallel calculations required for rendering. TMUs (Texture Mapping Units) process texture data, while ROPs (Render Output Units) handle final pixel output. Higher shader counts generally translate to better GPU benchmark performance, especially in demanding games and 3D applications.

Shading Units
2,048
Shaders
2,048
TMUs
128
ROPs
64
Compute Units
32
⏱️

RX 6600 XT Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the Radeon RX 6600 XT's performance in GPU benchmarks and real-world gaming. The base clock represents the minimum guaranteed frequency, while the boost clock indicates peak performance under optimal thermal conditions. Memory clock speed affects texture loading and frame buffer operations. The Radeon RX 6600 XT by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

Base Clock
1968 MHz
Base Clock
1,968 MHz
Boost Clock
2589 MHz
Boost Clock
2,589 MHz
Game Clock
2359 MHz
Memory Clock
2000 MHz 16 Gbps effective
GDDR GDDR 6X 6X

AMD's Radeon RX 6600 XT Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Radeon RX 6600 XT's memory capacity determines how well it handles high-resolution textures and multiple displays. Memory bandwidth, measured in GB/s, affects how quickly data moves between the GPU and VRAM. Higher bandwidth improves performance in memory-intensive scenarios like 4K gaming. The memory bus width and type (GDDR6, GDDR6X, HBM) significantly influence overall GPU benchmark scores.

Memory Size
8 GB
VRAM
8,192 MB
Memory Type
GDDR6
VRAM Type
GDDR6
Memory Bus
128 bit
Bus Width
128-bit
Bandwidth
256.0 GB/s
💾

Radeon RX 6600 XT by AMD Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the RX 6600 XT, reducing the need to fetch data from slower VRAM. L1 and L2 caches store frequently accessed data close to the compute units. AMD's Infinity Cache (L3) dramatically increases effective bandwidth, improving GPU benchmark performance without requiring wider memory buses. Larger cache sizes help maintain high frame rates in memory-bound scenarios and reduce power consumption by minimizing VRAM accesses.

L1 Cache
128 KB per Array
L2 Cache
2 MB
Infinity Cache
32 MB
📈

RX 6600 XT Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the AMD Radeon RX 6600 XT against other graphics cards. FP32 (single-precision) performance, measured in TFLOPS, indicates compute capability for gaming and general GPU workloads. FP64 (double-precision) matters for scientific computing. Pixel and texture fill rates determine how quickly the GPU can render complex scenes. While real-world GPU benchmark results depend on many factors, these specifications help predict relative performance levels.

FP32 (Float)
10.60 TFLOPS
FP64 (Double)
662.8 GFLOPS (1:16)
FP16 (Half)
21.21 TFLOPS (2:1)
Pixel Rate
165.7 GPixel/s
Texture Rate
331.4 GTexel/s

Radeon RX 6600 XT Ray Tracing & AI

Hardware acceleration features

The AMD Radeon RX 6600 XT includes dedicated hardware for ray tracing and AI acceleration. RT cores handle real-time ray tracing calculations for realistic lighting, reflections, and shadows in supported games. Tensor cores (NVIDIA) or XMX cores (Intel) accelerate AI workloads including DLSS, FSR, and XeSS upscaling technologies. These features enable higher visual quality without proportional performance costs, making the RX 6600 XT capable of delivering both stunning graphics and smooth frame rates in modern titles.

RT Cores
32
🏗️

RDNA 2.0 Architecture & Process

Manufacturing and design details

The AMD Radeon RX 6600 XT is built on AMD's RDNA 2.0 architecture, which defines how the GPU processes graphics and compute workloads. The manufacturing process node affects power efficiency, thermal characteristics, and maximum clock speeds. Smaller process nodes pack more transistors into the same die area, enabling higher performance per watt. Understanding the architecture helps predict how the RX 6600 XT will perform in GPU benchmarks compared to previous generations.

Architecture
RDNA 2.0
GPU Name
Navi 23
Process Node
7 nm
Foundry
TSMC
Transistors
11,060 million
Die Size
237 mm²
Density
46.7M / mm²
🔌

AMD's Radeon RX 6600 XT Power & Thermal

TDP and power requirements

Power specifications for the AMD Radeon RX 6600 XT determine PSU requirements and thermal management needs. TDP (Thermal Design Power) indicates the heat output under typical loads, guiding cooler selection. Power connector requirements ensure adequate power delivery for stable operation during demanding GPU benchmarks. The suggested PSU wattage accounts for the entire system, not just the graphics card. Efficient power delivery enables the Radeon RX 6600 XT to maintain boost clocks without throttling.

TDP
160 W
TDP
160W
Power Connectors
1x 8-pin
Suggested PSU
450 W
📐

Radeon RX 6600 XT by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the AMD Radeon RX 6600 XT are critical for case compatibility. Card length, height, and slot width determine whether it fits in your chassis. The PCIe interface version affects bandwidth for communication with the CPU. Display outputs define monitor connectivity options, with modern cards supporting multiple high-resolution displays simultaneously. Verify these specifications against your case and motherboard before purchasing to ensure a proper fit.

Slot Width
Dual-slot
Length
190 mm 7.5 inches
Height
110 mm 4.3 inches
Bus Interface
PCIe 4.0 x8
Display Outputs
1x HDMI 2.13x DisplayPort 1.4a
Display Outputs
1x HDMI 2.13x DisplayPort 1.4a
🎮

AMD API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the AMD Radeon RX 6600 XT. DirectX 12 Ultimate enables advanced features like ray tracing and variable rate shading. Vulkan provides cross-platform graphics capabilities with low-level hardware access. OpenGL remains important for professional applications and older games. CUDA (NVIDIA) and OpenCL enable GPU compute for video editing, 3D rendering, and scientific applications. Higher API versions unlock newer graphical features in GPU benchmarks and games.

DirectX
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
OpenGL
4.6
OpenGL
4.6
Vulkan
1.4
Vulkan
1.4
OpenCL
2.1
Shader Model
6.8
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Radeon RX 6600 XT Product Information

Release and pricing details

The AMD Radeon RX 6600 XT is manufactured by AMD as part of their graphics card lineup. Release date and launch pricing provide context for comparing GPU benchmark results with competing products from the same era. Understanding the product lifecycle helps evaluate whether the Radeon RX 6600 XT by AMD represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.

Manufacturer
AMD
Release Date
Jul 2021
Launch Price
379 USD
Production
End-of-life
Predecessor
Navi
Successor
Navi III

Radeon RX 6600 XT Benchmark Scores

3dmark_3dmark_steel_nomad_dx12Source

3DMark Steel Nomad is the latest GPU benchmark running at native 4K with DirectX 12. It's roughly 3x more demanding than Time Spy, testing AMD Radeon RX 6600 XT with cutting-edge rendering techniques. The benchmark uses state-of-the-art graphics technologies to stress modern hardware.

3dmark_3dmark_steel_nomad_dx12 #83 of 144
1,804
13%
Max: 14,411

geekbench_metalSource

Geekbench Metal tests GPU compute using Apple's Metal API. This shows how AMD Radeon RX 6600 XT performs in macOS and iOS applications that leverage GPU acceleration. Metal provides low-overhead access to Apple silicon GPUs. Creative applications on Mac heavily utilize Metal for rendering and video processing.

geekbench_metal #16 of 147
108,608
49%
Max: 222,653
Compare with other GPUs

geekbench_openclSource

Geekbench OpenCL tests GPU compute performance using the cross-platform OpenCL API. This shows how AMD Radeon RX 6600 XT handles parallel computing tasks like video encoding and scientific simulations. OpenCL is widely supported across different GPU vendors and platforms.

geekbench_opencl #114 of 582
82,736
22%
Max: 380,114
Compare with other GPUs

geekbench_vulkanSource

Geekbench Vulkan tests GPU compute using the modern low-overhead Vulkan API. This shows how AMD Radeon RX 6600 XT performs with next-generation graphics and compute workloads. Vulkan offers better CPU efficiency than older APIs like OpenGL. Modern games and applications increasingly use Vulkan for cross-platform GPU acceleration.

geekbench_vulkan #91 of 386
89,263
24%
Max: 379,571

passmark_directx_10Source

DirectX 10 tests AMD Radeon RX 6600 XT with the graphics API introduced with Windows Vista. This shows performance in games from the 2007-2009 era that targeted this feature level.

passmark_directx_11Source

DirectX 11 tests AMD Radeon RX 6600 XT with the widely-used graphics API powering most current games. This shows mainstream gaming performance across the majority of today's titles. DX11 remains the most common rendering path even in newer games.

passmark_directx_12Source

DirectX 12 tests AMD Radeon RX 6600 XT with the modern low-overhead graphics API. This shows performance in next-gen games that leverage DX12 features like ray tracing and mesh shaders. DX12 offers better CPU efficiency through reduced driver overhead. AAA games increasingly require DX12 for advanced graphical features and optimal performance.

passmark_directx_9Source

DirectX 9 tests AMD Radeon RX 6600 XT performance with the legacy graphics API still used by older games. This shows compatibility and performance with classic titles from the 2000s era. Many indie games and older titles still rely on DirectX 9. Emulators and legacy software also benefit from good DX9 performance.

passmark_g2dSource

PassMark G2D tests 2D graphics performance for desktop rendering, UI elements, and productivity applications. This shows how AMD Radeon RX 6600 XT handles everyday visual tasks. Higher scores mean smoother desktop experience and faster UI rendering. Multi-monitor setups and high-DPI displays benefit from strong 2D performance.

passmark_g3dSource

PassMark G3D measures overall 3D graphics performance of AMD Radeon RX 6600 XT across DirectX 9 through 12 tests. This provides a comprehensive gaming capability score.

passmark_g3d #65 of 164
16,461
37%
Max: 44,065

passmark_gpu_computeSource

GPU compute tests parallel processing capability of AMD Radeon RX 6600 XT using OpenCL. This shows performance in video encoding, scientific computing, and AI workloads. Non-gaming applications increasingly leverage GPU compute for acceleration. Video editing, 3D rendering, and machine learning all benefit from strong GPU compute scores.

About AMD Radeon RX 6600 XT

The RX 6600 XT by AMD lands at a launch price of $379, positioning it as a sweet spot for 1080p‑1440p gamers who want high frame rates without breaking the bank. Its 8 GB of GDDR6 memory running on a 128‑bit bus, combined with a 2589 MHz boost clock, pushes the geekbench_metal score to 108,608 points, which translates to solid performance in modern titles like Cyberpunk 2077 and Elden Ring. Powered by a 160 W TDP and a PCIe 4.0 x8 interface, the card fits comfortably in mid‑range builds that already have a 550‑W PSU and a compatible motherboard. When you stack the RX 6600 XT by AMD against its peers, the passmark_g3d rating of 16,461 shows it outpaces many older GTX 1660 Super models while staying ahead of most entry‑level RTX 3050 cards. For a system with a Ryzen 5 5600X or an Intel i5‑12400, this GPU will hit the sweet spot of 120‑144 FPS at 1080p and respectable 60‑75 FPS at 1440p in most current games.

Looking at competitive alternatives, the RTX 3060 offers ray‑tracing capabilities but comes at a higher price point and often consumes more power, making the RX 6600 XT by AMD a more budget‑friendly choice for gamers focused on raw rasterization performance. Longevity is bolstered by the RDNA 2.0 architecture’s efficiency and the 7 nm process, which should keep driver support and performance scaling viable for the next three to four years, especially as developers continue to optimize for AMD’s FidelityFX Super Resolution. The card’s modest 160 W draw means you won’t need to upgrade your cooling solution, and its dual‑fan design fits in most ATX cases without clearance issues. With a base clock of 1968 MHz and a passmark_gpu_compute score of 7,520, it also handles GPU‑accelerated workloads and streaming without choking the CPU. Overall, the RX 6600 XT by AMD provides a compelling blend of price, performance, and future‑proofing for gamers who want high frame rates now and a solid upgrade path later.

The NVIDIA Equivalent of Radeon RX 6600 XT

Looking for a similar graphics card from NVIDIA? The NVIDIA GeForce RTX 3060 12 GB GA104 offers comparable performance and features in the NVIDIA lineup.

NVIDIA GeForce RTX 3060 12 GB GA104

NVIDIA • 12 GB VRAM

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