AMD Radeon RX 6800S vs AMD Radeon HD 6470M
We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6800S and 512MB VRAM Radeon HD 6470M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6800S 's Advantages
Released 11 years late
Boost Clock2100MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (256.0GB/s vs 12.80GB/s)
1888 additional rendering cores
AMD Radeon HD 6470M 's Advantages
Lower TDP (25W vs 100W)
Score
Benchmark
FP32 (float)
Radeon RX 6800S
+3740%
8.602 TFLOPS
Radeon HD 6470M
0.224 TFLOPS
Graphics Card
Jan 2022
Release Date
Jan 2011
Mobility Radeon
Generation
Vancouver
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1800 MHz
Base Clock
-
2100 MHz
Boost Clock
-
2000 MHz
Memory Clock
800 MHz
Memory
8GB
Memory Size
512MB
GDDR6
Memory Type
DDR3
128bit
Memory Bus
64bit
256.0GB/s
Bandwidth
12.80GB/s
Render Config
32
Compute Units
2
-
-
-
2048
Shading Units
160
128
TMUs
8
64
ROPs
4
-
-
-
32
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
128 KB
32 MB
L3 Cache
-
Theoretical Performance
134.4 GPixel/s
Pixel Rate
2.800 GPixel/s
268.8 GTexel/s
Texture Rate
5.600 GTexel/s
17.20 TFLOPS
FP16 (half)
-
8.602 TFLOPS
FP32 (float)
224.0 GFLOPS
537.6 GFLOPS
FP64 (double)
-
Board Design
100W
TDP
25W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Navi 23
GPU Name
Seymour
-
GPU Variant
Seymour XT
(216-0810084)
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
11.06 billion
Transistors
0.37 billion
237 mm²
Die Size
67 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
-
-
-
6.5
Shader Model
5.0
