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GPU Comparison
AMD Radeon R9 M390X vs AMD Radeon HD 6830M
AMD Radeon R9 M390X vs AMD Radeon HD 6830M
VS
AMD Radeon R9 M390X
AMD Radeon HD 6830M
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 1024MB VRAM Radeon HD 6830M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M390X 's Advantages
Released 4 years and 4 months late
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)
1248 additional rendering cores
AMD Radeon HD 6830M 's Advantages
Lower TDP (39W vs 75W)
Score
Benchmark
FP32 (float)
Radeon R9 M390X
+221%
2.961 TFLOPS
Radeon HD 6830M
0.92 TFLOPS
Radeon R9 M390X
VS
Radeon HD 6830M
Graphics Card
May 2015
Release Date
Jan 2011
Crystal System
Generation
Vancouver
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1250 MHz
Memory Clock
800 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
25.60GB/s
Render Config
-
SM Count
-
32
Compute Units
10
2048
Shading Units
800
128
TMUs
40
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
23.14 GPixel/s
Pixel Rate
9.200 GPixel/s
92.54 GTexel/s
Texture Rate
23.00 GTexel/s
2.961 TFLOPS
FP16 (half)
-
2.961 TFLOPS
FP32 (float)
920.0 GFLOPS
185.1 GFLOPS
FP64 (double)
-
Graphics Processor
Amethyst
GPU Name
Granville
Amethyst XT
GPU Variant
Granville LP
GCN 3.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5 billion
Transistors
1.04 billion
366 mm²
Die Size
166 mm²
Board Design
75W
TDP
39W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.0
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
6.3
Shader Model
5.0
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