AMD Radeon RX 7900 XTX vs Radeon RX 6600M

[ VERDICT ] Winner: AMD Radeon RX 7900 XTX (85/100)

AMD Radeon RX 7900 XTX leads overall with a score of 85/100 compared to Radeon RX 6600M (31/100), offering superior measured performance and technical specifications.

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark AMD Radeon RX 7900 XTX Radeon RX 6600M
4K Gaming 91.0 Excellent —
DeviceBenchmark Score 85.0 Very Good —
Rasterization 94.0 Excellent —
Ray Tracing 78.0 Very Good —
Efficiency — 59.0 Below Average
Gaming — 24.0 Poor

Detailed Technical Specifications

Memory

Memory specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
Memory Size 24 GB GDDR6 (384-bit) —
Bus — 128-bit
ECC — No
Effective Memory Speed — 14000 Mbps
Memory Clock — 1750 MHz
Memory Size — 8 GB
Memory Type — GDDR6

Performance

Performance specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
Architecture AMD RDNA 3 (Chiplet Design) RDNA 2.0
Stream Processors 6,144 Stream Processors —

Power

Power specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
Tdp 355W TBP —

3D Mark

3D Mark specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
Fire Strike — 23177
Night Raid — 94761
Port Royal — 3880
Solar Bay — 29953
Time Spy — 8006
Wild Life Extreme — 14422

API

API specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
DLSS — No
DirectX — 12
DisplayPort — 1.4
OpenCL — 2.1
OpenGL — 4.6
Ray Tracing — Yes
Vulkan — 1.2

Games

Games specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
1080p High — 90
1080p Ultra — 70
1440p Ultra — 49
4K Ultra — 26
CoD: Modern Warfare III — 75694531
Counter-Strike 2 — 1611107837
Cyberpunk 2077 — 58512913
Far Cry 6 — 87755728
Forza Horizon 5 — 113605031
Ghost of Tsushima — 60493519
Hogwarts Legacy — 56453317
Margin of Error — Low
Shadow of the Tomb Raider — 103906131
The Witcher 3 — 98785330

GeekBench 6 ML

GeekBench 6 ML specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
Backend — DirectML
Depth Estimation (Q) — 26194
Face Detection (HP) — 20793
Framework — ONNX
Image Classification (SP) — 6355
Image Segmentation (HP) — 7183
Image Super Resolution (Q) — 16962
Machine Translation (HP) — 3411
Object Detection (SP) — 5102
Pose Estimation (Q) — 65012
Style Transfer (SP) — 139748
Text Classification (SP) — 2139

GeekBench 6 OpenCL

GeekBench 6 OpenCL specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
API — OpenCL
Background Blur — 176.1 img/sec
Edge Detection — 3.1 Gpixels/sec
Face Detection — 102.4 img/sec
Feature Matching — 0.78 Gpixels/sec
Gaussian Blur — 2.8 Gpixels/sec
Horizon Detection — 2.19 Gpixels/sec
Particle Physics — 8768.9 FPS
Stereo Matching — 313.2 Gpixels/sec

General

General specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
Architecture AMD RDNA 3 (Chiplet Design) RDNA 2.0
Build — Discrete
Case — Laptop
GPU Codename — Navi 23
Nvidia Equivalent — -GeForce RTX 3060 Laptop
Purpose — Gaming
Recommended CPU — -AMD Ryzen 5 5600Hor above
Released — June 1, 2021
Segment — Mid-range
Vendor — Amd

Graphics Processing Unit

Graphics Processing Unit specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
Base Clock — 1489 MHz
Boost Clock — 1520-2177 MHz (configurable)
Compute Units (Pipelines) — 28
Instructions Per Cycle — 2 IPC
L1 Cache — 128KB per cluster
L2 Cache — 2MB shared
Ray-tracing Cores — 28
Render Output Units (ROPs) — 64
Shading Units — 1792
Texture Mapping Units (TMUs) — 112

Passmark Graphics

Passmark Graphics specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
DirectX 11 — 136 FPS
DirectX 12 — 51 FPS
G2D Mark — 722
GPU Compute — 5566 Ops/s

Physical

Physical specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
Die Size — 237 mm²
Fabrication Process — 7 nm
Interface — PCIe 4.0 x8
Manufacturing — TSMC
TGP — 50-100 W (configurable)
Transistor Count — 11.06 billion
Transistor Density — 46.67 MTr/mm²

Raw Performance

Raw Performance specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600M
Pixel Fill Rate — 97-139 GPixel/s
Texture Fill Rate — 170-244 GTexel/s

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