Radeon RX 7900 XT vs Radeon X1550
We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 256MB VRAM Radeon X1550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 7900 XT 's Advantages
Released 15 years and 10 months late
Boost Clock2394MHz
More VRAM (20GB vs 256GB)
Larger VRAM bandwidth (800.0GB/s vs 12.80GB/s)
5376 additional rendering cores
Radeon X1550 's Advantages
Lower TDP (27W vs 300W)
Score
Graphics Card
Nov 2022
Release Date
Jan 2007
Navi III
Generation
Radeon R500 PCIe
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1387 MHz
Base Clock
-
2394 MHz
Boost Clock
-
2500 MHz
Memory Clock
400 MHz
Memory
20GB
Memory Size
256MB
GDDR6
Memory Type
DDR2
320bit
Memory Bus
128bit
800.0GB/s
Bandwidth
12.80GB/s
Render Config
84
Compute Units
-
5376
Shading Units
-
336
TMUs
4
192
ROPs
4
84
RT Cores
-
256 KB per Array
L1 Cache
-
6 MB
L2 Cache
-
80 MB
L3 Cache
-
Theoretical Performance
459.6 GPixel/s
Pixel Rate
2.200 GPixel/s
804.4 GTexel/s
Texture Rate
2.200 GTexel/s
103.0 TFLOPS
FP16 (half)
-
51.48 TFLOPS
FP32 (float)
-
1.609 TFLOPS
FP64 (double)
-
Board Design
300W
TDP
27W
700 W
Suggested PSU
200 W
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
Outputs
1x DVI
1x VGA
1x S-Video
2x 8-pin
Power Connectors
None
Graphics Processor
Navi 31
GPU Name
RV516
Navi 31 XT
(215-145000156)
GPU Variant
-
RDNA 3.0
Architecture
R500
TSMC
Foundry
UMC
5 nm
Process Size
80 nm
57.7 billion
Transistors
0.107 billion
529 mm²
Die Size
100 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
9.0c (9_3)
4.6
OpenGL
2.1
2.2
OpenCL
N/A
1.3
Vulkan
N/A
6.7
Shader Model
3.0
