AMD Radeon RX 6600 XT

Specifications Benchmarks Synonyms

Specifications

Technical data

GPU

Architecture
RDNA 2
Based on
AMD Radeon RX 6600 XT
Compute Units
32
Execution Units
32
GPU Chip
Navi 23 XT
Ray Accelerators
32
Render Output Units
64
Shader
2048
Texture Units
128

Memory

Infinity Cache
32 MB
Memory Bandwidth
256 GB/s
Memory Bus
128 bit
Memory Data Rate
16 Gbps
Memory Size
8 GB
Memory Speed (legacy frequency label)
2000 MHz
Memory Type
GDDR6

Clock Speeds

Base Clock
1968 MHz
Boost Clock
2589 MHz
Game Clock
2359 MHz

Thermal Design

System Power Supply
500 W (System power requirement)
TDP
160 W
Typical Board Power
160 W

Connectivity

DisplayPort Version
1.4a
HDMI Version
HDMI 2.1 VRR and FRL
Max. Displays
4
PCIe Interface
PCIe 4.0 x8
Power Connectors
1x8-Pin

Featureset

DirectX
12.2
DLSS / FSR
No
Max. resolution
7680 × 4320
Raytracing
Yes

Supported Video Codecs

AV1
Decode
h264
Decode / Encode
h265 / HEVC
Decode / Encode
VP8
Decode / Encode
VP9
Decode / Encode

Additional data

Manufacturer
AMD
Process Technology
7 nm
Release date
2021-08-11
Verification scope
Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.

Positions in all rankings

Common positions AMD Radeon RX 6600 XT GPU in popular benchmarks, for comparison with other models.

FP32 Performance (Single-precision TFLOPS)

1347 place

Manufacturer versions

Board specifications and benchmark results are specific to each version.

SAPPHIRE NITRO+ Radeon RX 6600 XT 8GB

Sapphire · 8 GB

SAPPHIRE PULSE Radeon RX 6600 XT 8GB

Sapphire · 8 GB

All models based on this GPU

Benchmarks

Performance tests GPU

Published results: 14

Blender Cycles

Each row uses one Blender version, operating system and compute backend.

Test and settings	AMD Radeon RX 6600 XT
Blender 4.0.0 / HIP / Windows	1104.287784 samples/min Submissions: 57
Blender 4.0.0 / METAL / macOS	986.55766 samples/min Submissions: 5
Blender 4.1.0 / HIP / Linux	1200.134136 samples/min Submissions: 5
Blender 4.1.0 / HIP / Windows	1164.805752 samples/min Submissions: 15
Blender 4.1.0 / METAL / macOS	957.68035 samples/min Submissions: 5
Blender 4.2.0 / HIP / Linux	1191.614259 samples/min Submissions: 10
Blender 4.2.0 / HIP / Windows	1141.613474 samples/min Submissions: 37
Blender 4.3.0 / HIP / Linux	1175.550027 samples/min Submissions: 5
Blender 4.3.0 / HIP / Windows	1134.195394 samples/min Submissions: 21
Blender 4.4.0 / HIP / Windows	1056.207961 samples/min Submissions: 15
Blender 4.5.0 / HIP / Linux	1058.941584 samples/min Submissions: 6
Blender 4.5.0 / HIP / Windows	1050.439871 samples/min Submissions: 33

More tests: 2

Test and settings	AMD Radeon RX 6600 XT
Blender 5.1.0 / HIP / Windows	930.175042 samples/min Submissions: 6
Blender 5.1.1 / HIP / Windows	958.034036 samples/min Submissions: 9

Compare the scores of popular benchmarks AMD Radeon RX 6600 XT with other graphics cards to understand the real speed of the GPU when processing content.

Tests include working with floating point, creating 3D models, mining cryptocurrencies.

These are saved results from the earlier catalog. Measurement dates and test configurations were not recorded. Models with no comparable results are omitted.

Recent models: test results with identified primary sources — Game frame rates

Archived results. The original measurement method and test conditions have not been verified.

FP32 Performance (Single-precision TFLOPS)

Benchmark FP32 is a 32-bit floating point calculation for the GPU which is required for 3D gaming

Higher values are better in this metric.

10.68 TFLOPS

AMD Radeon RX 6600 XT

10.42 TFLOPS

AMD Radeon RX 5700 XT

5.79 TFLOPS

AMD Radeon RX 6500 XT

All the benchmark results

Comparable benchmark results are required to suggest performance alternatives.

Base Clock is the base GPU frequency stated by the manufacturer for this model.

Boost Clock describes automatic frequency increases. Actual clock speed varies with workload, temperature and power limits; it is not a guarantee of manual overclocking.

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AMD Radeon RX 6600 XT