AMD Radeon RX 7900 XT vs AMD Radeon 540
We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 1024MB VRAM AMD Radeon 540 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7900 XT 's Advantages
Released 5 years and 7 months late
Boost Clock2394MHz
More VRAM (20GB vs 1024GB)
Larger VRAM bandwidth (800.0GB/s vs 24.00GB/s)
4992 additional rendering cores
AMD Radeon 540 's Advantages
Lower TDP (50W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 7900 XT
+5569%
51.48 TFLOPS
AMD Radeon 540
0.908 TFLOPS
Graphics Card
Nov 2022
Release Date
Apr 2017
Navi III
Generation
Polaris
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
1387 MHz
Base Clock
-
2394 MHz
Boost Clock
-
2500 MHz
Memory Clock
1500 MHz
Memory
20GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
320bit
Memory Bus
32bit
800.0GB/s
Bandwidth
24.00GB/s
Render Config
84
Compute Units
6
-
-
-
5376
Shading Units
384
336
TMUs
24
192
ROPs
16
-
-
-
84
RT Cores
-
256 KB per Array
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
512 KB
80 MB
L3 Cache
-
Theoretical Performance
459.6 GPixel/s
Pixel Rate
18.93 GPixel/s
804.4 GTexel/s
Texture Rate
28.39 GTexel/s
103.0 TFLOPS
FP16 (half)
908.5 GFLOPS
51.48 TFLOPS
FP32 (float)
908.5 GFLOPS
1.609 TFLOPS
FP64 (double)
56.78 GFLOPS
Board Design
300W
TDP
50W
700 W
Suggested PSU
250 W
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
Outputs
2x DisplayPort 1.4a
2x 8-pin
Power Connectors
None
Graphics Processor
Navi 31
GPU Name
Lexa
Navi 31 XT
(215-145000156)
GPU Variant
Lexa PRO
(215-0904018)
RDNA 3.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
5 nm
Process Size
14 nm
57.7 billion
Transistors
2.2 billion
529 mm²
Die Size
103 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.2
OpenCL
2.1
1.3
Vulkan
1.3
-
-
-
6.7
Shader Model
6.7
