Radeon R9 295X2 vs Radeon RX 6600
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 295X2 's Advantages
Larger VRAM bandwidth (320.0GB/s vs 224.0GB/s)
1024 additional rendering cores
Radeon RX 6600 's Advantages
Released 7 years and 6 months late
Boost Clock2491MHz
More VRAM (8GB vs 4GB)
Lower TDP (132W vs 500W)
Score
Benchmark
FP32 (float)
Radeon R9 295X2
5733
Radeon RX 6600
+55%
8928
Graphics Card
Apr 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
1250 MHz
Memory Clock
1750 MHz
Memory
4GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
512bit
Memory Bus
128bit
320.0GB/s
Bandwidth
224.0GB/s
Render Config
44
Compute Units
28
2816
Shading Units
1792
176
TMUs
112
64
ROPs
64
-
RT Cores
28
16 KB (per CU)
L1 Cache
128 KB per Array
1024 KB
L2 Cache
2 MB
-
L3 Cache
32 MB
Theoretical Performance
65.15 GPixel/s
Pixel Rate
159.4 GPixel/s
179.2 GTexel/s
Texture Rate
279.0 GTexel/s
-
FP16 (half)
17.86 TFLOPS
5.733 TFLOPS
FP32 (float)
8.928 TFLOPS
716.7 GFLOPS
FP64 (double)
558.0 GFLOPS
Board Design
500W
TDP
132W
900 W
Suggested PSU
300 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
Vesuvius
GPU Name
Navi 23
Vesuvius XT
(215-0852022)
GPU Variant
Navi 23 XL
(215-130000016)
GCN 2.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
6.2 billion
Transistors
11.06 billion
438 mm²
Die Size
237 mm²
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
2.1
1.2
Vulkan
1.3
6.3
Shader Model
6.5
