AMD Radeon RX 6900 XT vs AMD Radeon RX 7900 GRE

Compared 2 processors: AMD Radeon RX 6900 XT, vs AMD Radeon RX 7900 GRE. Below are specs, tests, pros and cons for each device

Review

Key Specs AMD Radeon RX 6900 XT and AMD Radeon RX 7900 GRE
Games
Performance in DirectX, OpenCL, Vulkan
AI/ML
AI workload testing
Professional Apps
3D modeling, video editing, rendering
Energy Efficiency
Power usage in various scenarios
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison

Games

FPS Table
Game title
1080p (High)
1080p (Ultra)
1440p (Ultra)
4K (Ultra)
Forza Horizon 5
213
142
118
87
220
144
126
92
The Witcher 3
208
183
139
72
226
194
144
75
Counter-Strike 2
302
208
149
81
302
218
154
81
Far Cry 6
172
148
133
83
178
158
141
88
Hogwarts Legacy
130
105
83
46
133
109
87
50
COD Modern Warfare 3
183
177
130
84
199
189
141
95
Ghost of Tsushima
131
111
91
55
135
116
99
63
Cyberpunk 2077
148
129
87
42
155
137
95
44
Shadow of the Tomb Raider
225
205
156
82
236
225
168
89
Avg FPS
1080p High190198
1080p Ultra156166
1440p Ultra121128
4K Ultra7075
DeviationLowLow

Benchmarks

CPU performance comparison across tasks
3DMark
Steel Nomad Lite Score
AMD Radeon RX 6900 XT
20263
AMD Radeon RX 7900 GRE
21425
Time Spy2078122504
Solar Bay8674189271
Port Royal1051912400
Fire Strike5732356290
Night Raid159759166170
GeekBench v6
GB6 Compute Score
AMD Radeon RX 6900 XT
124121
AMD Radeon RX 7900 GRE
172224
Background Blur231.6 frames/s352.4 frames/s
Face Detection152.5 frames/s229 frames/s
Horizon Detection4.26 Gpix/sec6.42 Gpix/sec
Edge Detection5.75 Gpix/sec8.86 Gpix/sec
Gaussian Blur5.87 Gpix/sec7.89 Gpix/sec
Feature Matching1.12 Gpix/sec1.5 Gpix/sec
Stereo Matching618.7 Gpix/sec662.8 Gpix/sec
Particle Physics17973.9 fps24012 fps
APIOpenCLOpenCL
PassMark
PassMark Graphics
AMD Radeon RX 6900 XT
26727
AMD Radeon RX 7900 GRE
26987
G2D Mark10511161
DirectX 11278 fps301 fps
DirectX 12113 fps104 fps
GPU Compute14962 Ops/s15279 Ops/s
GFXBench 5
Aztec Ruins (High 4K)
AMD Radeon RX 6900 XT
305.2 fps
AMD Radeon RX 7900 GRE
279.4 fps
Aztec Ruins (Normal)1379.6 fps1464.9 fps
Car Chase1317.5 fps1386.5 fps
Manhattan 3.1.1 (1440p)1205.3 fps1048.6 fps
T-Rex4360 fps4513.8 fps
ALU 26645 fps8242.3 fps
Driver Overhead 2325.2 fps294.3 fps
APIOpenGLOpenGL
OSWindowsWindows
Tessellation3954.86574.7

Tech Specs

Specs & test comparison

General Info

Manufacturer AMD AMD
Build Discrete Discrete
Announced December, 8, 2020 n/a
Form Factor PC use PC use
Use case Gaming Gaming
Segment High-end High-end
Architecture RDNA 2.0 RDNA 3.0
Codename Navi 21 Navi 31
Price 999 649

GPU

GPU Frequency 1825 MHz 1287 MHz
Boost GPU Frequency 2250 MHz 2245 MHz
Shader Units 5120 5120
TMUs 320 320
ROPs 128 160
Ray Tracing Cores 80 80
L1 cache 128 KB/core 256 KB/core
L2 cache 4000 KB/core 6000 KB/core
Instructions per Clock 2 IPC 4 IPC

Performance

Pixel Fill Rate 288 Gpix/sec 359 Gpix/sec
Texture Fill Rate 720 GTex/s 718 GTex/s
FLOPS 23 TFLOPS 46 TFLOPS

Process

Interface PCIe 4.0 x16 PCIe 4.0 x16
TGP 300 W 260 W
Process TSMC TSMC
Process tech. 7 nm 5 nm
Transistor Size 520 mm² 529 mm²
Transistor count 26 billion 57 billion
Transistor density 50 MTr/mm² 107.75 MTr/mm²

Memory

Interface GDDR6 GDDR6
Memory Frequency 2000 MHz 2250 MHz
Bus 256 bit 256 bit
ECC support No No
Effective Memory Speed 16000 MB/s 18000 MB/s
Memory Size 16 GB 16 GB
Max Throughput
AMD Radeon RX 6900 XT
512 GB/s
AMD Radeon RX 7900 GRE
576 GB/s

API

DirectX 12 12
Vulkan 1.3 1.3
OpenGL 4.6 4.6
DisplayPort 1.4a 2.1
Ray Tracing Yes Yes
DLSS No No

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which GPU would you pick?
0 (0%)
1 (100%)
Total Votes: 1

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