Home GPU Comparison AMD Radeon RX 6900 XTX vs AMD Radeon RX 5500 OEM

AMD Radeon RX 6900 XTX vs AMD Radeon RX 5500 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 4GB VRAM Radeon RX 5500 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XTX 's Advantages
Boost Clock has increased by 32% (2435MHz vs 1845MHz)
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (576.0GB/s vs 224.0GB/s)
3712 additional rendering cores
AMD Radeon RX 5500 OEM 's Advantages
Lower TDP (110W vs 330W)

Score

Benchmark

FP32 (float)
Radeon RX 6900 XTX +379%
24.93 TFLOPS
Radeon RX 5500 OEM
5.196 TFLOPS
VS

Graphics Card

Unknown
Release Date
Oct 2019
Navi II
Generation
Navi
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x8

Clock Speeds

2075 MHz
Base Clock
1500 MHz
2435 MHz
Boost Clock
1845 MHz
2250 MHz
Memory Clock
1750 MHz

Memory

16GB
Memory Size
4GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
128bit
576.0GB/s
Bandwidth
224.0GB/s

Render Config

80
Compute Units
22
-
-
-
5120
Shading Units
1408
320
TMUs
88
128
ROPs
32
-
-
-
80
RT Cores
-
128 KB per Array
L1 Cache
-
4 MB
L2 Cache
2 MB
128 MB
L3 Cache
-

Theoretical Performance

311.7 GPixel/s
Pixel Rate
59.04 GPixel/s
779.2 GTexel/s
Texture Rate
162.4 GTexel/s
49.87 TFLOPS
FP16 (half)
10.39 TFLOPS
24.93 TFLOPS
FP32 (float)
5.196 TFLOPS
1.558 TFLOPS
FP64 (double)
324.7 GFLOPS

Board Design

330W
TDP
110W
700 W
Suggested PSU
300 W
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 8-pin

Graphics Processor

Navi 21
GPU Name
Navi 14
Navi 21 XTXH (215-121000247)
GPU Variant
Navi 14 XT (215-0932220)
RDNA 2.0
Architecture
RDNA 1.0
TSMC
Foundry
TSMC
7 nm
Process Size
7 nm
26.8 billion
Transistors
6.4 billion
520 mm²
Die Size
158 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.3
Vulkan
1.3
-
-
-
6.5
Shader Model
6.5

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