AMD Radeon RX 6800S vs AMD Radeon R9 M295X
We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6800S and 4GB VRAM Radeon R9 M295X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6800S 's Advantages
Released 7 years and 2 months late
Boost Clock2100MHz
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (256.0GB/s vs 160.0GB/s)
Lower TDP (100W vs 250W)
Score
Benchmark
FP32 (float)
Radeon RX 6800S
+190%
8.602 TFLOPS
Radeon R9 M295X
2.961 TFLOPS
Graphics Card
Jan 2022
Release Date
Nov 2014
Mobility Radeon
Generation
Crystal System
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
MXM-B (3.0)
Clock Speeds
1800 MHz
Base Clock
-
2100 MHz
Boost Clock
-
2000 MHz
Memory Clock
1250 MHz
Memory
8GB
Memory Size
4GB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
256bit
256.0GB/s
Bandwidth
160.0GB/s
Render Config
32
Compute Units
32
-
-
-
2048
Shading Units
2048
128
TMUs
128
64
ROPs
32
-
-
-
32
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
512 KB
32 MB
L3 Cache
-
Theoretical Performance
134.4 GPixel/s
Pixel Rate
23.14 GPixel/s
268.8 GTexel/s
Texture Rate
92.54 GTexel/s
17.20 TFLOPS
FP16 (half)
2.961 TFLOPS
8.602 TFLOPS
FP32 (float)
2.961 TFLOPS
537.6 GFLOPS
FP64 (double)
185.1 GFLOPS
Board Design
100W
TDP
250W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Navi 23
GPU Name
Amethyst
-
GPU Variant
Amethyst XT
RDNA 2.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
11.06 billion
Transistors
5 billion
237 mm²
Die Size
366 mm²
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
-
-
-
6.5
Shader Model
6.3
