AMD Radeon RX 7900 XTX vs Radeon RX 6600 XT

[ 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 6600 XT (30/100), 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 6600 XT
4K Gaming 91.0 Excellent —
DeviceBenchmark Score 85.0 Very Good —
Rasterization 94.0 Excellent —
Ray Tracing 78.0 Very Good —
Efficiency — 42.0 Poor
Gaming — 29.0 Poor

Detailed Technical Specifications

Memory

Memory specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600 XT
Memory Size 24 GB GDDR6 (384-bit) —
Bus — 128-bit
ECC — No
Effective Memory Speed — 16000 Mbps
Memory Clock — 2000 MHz
Memory Size — 8 GB
Memory Type — GDDR6

Performance

Performance specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600 XT
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 6600 XT
Tdp 355W TBP —

3D Mark

3D Mark specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600 XT
Fire Strike — 28663
Night Raid — 114625
Port Royal — 4642
Solar Bay — 37690
Time Spy — 9637
Wild Life Extreme — 17389

API

API specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600 XT
DLSS — No
DirectX — 12
DisplayPort — 1.4a
OpenCL — 2.1
OpenGL — 4.6
Ray Tracing — Yes
Vulkan — 1.3

Games

Games specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600 XT
1080p High — 108
1080p Ultra — 86
1440p Ultra — 59
4K Ultra — 32
CoD: Modern Warfare III — 95875836
Counter-Strike 2 — 1841299047
Cyberpunk 2077 — 71633715
Far Cry 6 — 102916734
Forza Horizon 5 — 135766140
Ghost of Tsushima — 75584322
Hogwarts Legacy — 69594020
Margin of Error — Low
Shadow of the Tomb Raider — 1221107535
The Witcher 3 — 116996437

GeekBench 6 ML

GeekBench 6 ML specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600 XT
Backend — DirectML
Depth Estimation (Q) — 28767
Face Detection (HP) — 21268
Framework — ONNX
Image Classification (SP) — 6815
Image Segmentation (HP) — 8295
Image Super Resolution (Q) — 18041
Machine Translation (HP) — 3539
Object Detection (SP) — 6006
Pose Estimation (Q) — 71311
Style Transfer (SP) — 169389
Text Classification (SP) — 1967

GeekBench 6 OpenCL

GeekBench 6 OpenCL specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600 XT
API — OpenCL
Background Blur — 208 img/sec
Edge Detection — 3.71 Gpixels/sec
Face Detection — 114.6 img/sec
Feature Matching — 0.94 Gpixels/sec
Gaussian Blur — 3.38 Gpixels/sec
Horizon Detection — 2.91 Gpixels/sec
Particle Physics — 11198.1 FPS
Stereo Matching — 306 Gpixels/sec

General

General specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600 XT
Architecture AMD RDNA 3 (Chiplet Design) RDNA 2.0
Build — Discrete
Case — Desktop
GPU Codename — Navi 23
Launch price (MSRP) — $379
Nvidia Equivalent — -GeForce RTX 3060
Purpose — Gaming
Recommended CPU — -Intel Core i5 13600or above
Released — July 30, 2021
Segment — Mid-range
Successor — -Radeon RX 9060 XT
Vendor — Amd

Graphics Processing Unit

Graphics Processing Unit specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600 XT
Base Clock — 1968 MHz
Boost Clock — 2589 MHz
Instructions Per Cycle — 2 IPC
L1 Cache — 128KB per cluster
L2 Cache — 2MB shared
Ray-tracing Cores — 32
Render Output Units (ROPs) — 64
Shading Units — 2048
Tensor Cores — No
Texture Mapping Units (TMUs) — 128

Passmark Graphics

Passmark Graphics specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600 XT
DirectX 11 — 164 FPS
DirectX 12 — 60 FPS
G2D Mark — 914
GPU Compute — 7391 Ops/s

Physical

Physical specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600 XT
Die Size — 237 mm²
Fabrication Process — 7 nm
Interface — PCIe 4.0 x8
Manufacturing — TSMC
TGP — 160 W
Transistor Count — 11 billion
Transistor Density — 46.41 MTr/mm²

Raw Performance

Raw Performance specifications comparison
Specification AMD Radeon RX 7900 XTX Radeon RX 6600 XT
Pixel Fill Rate — 166 GPixel/s
Texture Fill Rate — 331 GTexel/s

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