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GPU Comparison
AMD Radeon RX 6650 XT vs AMD Radeon R9 390X
AMD Radeon RX 6650 XT vs AMD Radeon R9 390X
VS
AMD Radeon RX 6650 XT
AMD Radeon R9 390X
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6650 XT 's Advantages
Released 6 years and 11 months late
Boost Clock2635MHz
Lower TDP (176W vs 275W)
AMD Radeon R9 390X 's Advantages
Larger VRAM bandwidth (384.0GB/s vs 280.3GB/s)
768 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6650 XT
+82%
10.79 TFLOPS
Radeon R9 390X
5.914 TFLOPS
3DMark Time Spy
Radeon RX 6650 XT
+133%
9902
Radeon R9 390X
4245
Radeon RX 6650 XT
VS
Radeon R9 390X
Graphics Card
May 2022
Release Date
Jun 2015
Navi II
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
2055 MHz
Base Clock
-
2635 MHz
Boost Clock
-
2190 MHz
Memory Clock
1500 MHz
Memory
8GB
Memory Size
8GB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
512bit
280.3GB/s
Bandwidth
384.0GB/s
Render Config
-
SM Count
-
32
Compute Units
44
2048
Shading Units
2816
128
TMUs
176
64
ROPs
64
-
Tensor Cores
-
32
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
1024 KB
Theoretical Performance
168.6 GPixel/s
Pixel Rate
67.20 GPixel/s
337.3 GTexel/s
Texture Rate
184.8 GTexel/s
21.59 TFLOPS
FP16 (half)
-
10.79 TFLOPS
FP32 (float)
5.914 TFLOPS
674.6 GFLOPS
FP64 (double)
739.2 GFLOPS
Graphics Processor
Navi 23
GPU Name
Grenada
Navi 23 KXT (215-130000136)
GPU Variant
Grenada XT (215-0880004)
RDNA 2.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
11.06 billion
Transistors
6.2 billion
237 mm²
Die Size
438 mm²
Board Design
176W
TDP
275W
450 W
Suggested PSU
600 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.0
1.3
Vulkan
1.2
-
CUDA
-
6.5
Shader Model
6.3
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