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GPU Comparison
AMD Radeon R9 285 vs AMD Radeon RX 6600
AMD Radeon R9 285 vs AMD Radeon RX 6600
VS
AMD Radeon R9 285
AMD Radeon RX 6600
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 's Advantages
Released 7 years and 1 months late
Boost Clock2491MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 176.0GB/s)
Lower TDP (132W vs 190W)
Score
Benchmark
FP32 (float)
Radeon R9 285
3.29 TFLOPS
Radeon RX 6600
+171%
8.928 TFLOPS
Radeon R9 285
VS
Radeon RX 6600
Graphics Card
Sep 2014
Release Date
Oct 2021
Volcanic Islands
Generation
Navi II
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
1626 MHz
-
Boost Clock
2491 MHz
1375 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
128bit
176.0GB/s
Bandwidth
224.0GB/s
Render Config
-
SM Count
-
28
Compute Units
28
1792
Shading Units
1792
112
TMUs
112
32
ROPs
64
-
Tensor Cores
-
-
RT Cores
28
16 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
2 MB
Theoretical Performance
29.38 GPixel/s
Pixel Rate
159.4 GPixel/s
102.8 GTexel/s
Texture Rate
279.0 GTexel/s
3.290 TFLOPS
FP16 (half)
17.86 TFLOPS
3.290 TFLOPS
FP32 (float)
8.928 TFLOPS
205.6 GFLOPS
FP64 (double)
558.0 GFLOPS
Graphics Processor
Tonga
GPU Name
Navi 23
Tonga PRO (215-0851128)
GPU Variant
Navi 23 XL (215-130000016)
GCN 3.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
5 billion
Transistors
11.06 billion
366 mm²
Die Size
237 mm²
Board Design
190W
TDP
132W
450 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 8-pin
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2.170
Vulkan
1.3
-
CUDA
-
6.5
Shader Model
6.5
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