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GPU Comparison
AMD Radeon RX 6800M vs AMD Radeon HD 8670A
AMD Radeon RX 6800M vs AMD Radeon HD 8670A
VS
AMD Radeon RX 6800M
AMD Radeon HD 8670A
We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6800M 's Advantages
Released 8 years and 3 months late
Boost Clock2390MHz
More VRAM (12GB vs 1GB)
Larger VRAM bandwidth (384.0GB/s vs 16.00GB/s)
2176 additional rendering cores
AMD Radeon HD 8670A 's Advantages
Lower TDP (45W vs 145W)
Score
Benchmark
FP32 (float)
Radeon RX 6800M
+2555%
12.24 TFLOPS
Radeon HD 8670A
0.461 TFLOPS
Radeon RX 6800M
VS
Radeon HD 8670A
Graphics Card
May 2021
Release Date
Feb 2013
Mobility Radeon
Generation
All-In-One
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
2116 MHz
Base Clock
-
2390 MHz
Boost Clock
-
2000 MHz
Memory Clock
1000 MHz
Memory
12GB
Memory Size
1024MB
GDDR6
Memory Type
DDR3
192bit
Memory Bus
64bit
384.0GB/s
Bandwidth
16.00GB/s
Render Config
-
SM Count
-
40
Compute Units
6
2560
Shading Units
384
160
TMUs
24
64
ROPs
8
-
Tensor Cores
-
40
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
3 MB
L2 Cache
128 KB
Theoretical Performance
153.0 GPixel/s
Pixel Rate
4.800 GPixel/s
382.4 GTexel/s
Texture Rate
14.40 GTexel/s
24.47 TFLOPS
FP16 (half)
-
12.24 TFLOPS
FP32 (float)
460.8 GFLOPS
764.8 GFLOPS
FP64 (double)
28.80 GFLOPS
Graphics Processor
Navi 22
GPU Name
Mars
Navi 22 XTM
GPU Variant
Mars XT
RDNA 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
17.2 billion
Transistors
0.95 billion
335 mm²
Die Size
77 mm²
Board Design
145W
TDP
45W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.3
Vulkan
1.2
-
CUDA
-
6.5
Shader Model
5.1
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