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GPU Comparison
AMD Radeon HD 6450M vs AMD Radeon HD 8790M
AMD Radeon HD 6450M vs AMD Radeon HD 8790M
VS
AMD Radeon HD 6450M
AMD Radeon HD 8790M
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6450M and 2GB VRAM Radeon HD 8790M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8790M 's Advantages
Released 2 years and 3 months late
Boost Clock900MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)
224 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6450M
0.192 TFLOPS
Radeon HD 8790M
+259%
0.691 TFLOPS
Radeon HD 6450M
VS
Radeon HD 8790M
Graphics Card
Jan 2011
Release Date
Apr 2013
Vancouver
Generation
Solar System
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
-
Base Clock
850 MHz
-
Boost Clock
900 MHz
800 MHz
Memory Clock
1000 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
12.80GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
2
Compute Units
6
160
Shading Units
384
8
TMUs
24
4
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
2.400 GPixel/s
Pixel Rate
7.200 GPixel/s
4.800 GTexel/s
Texture Rate
21.60 GTexel/s
-
FP16 (half)
-
192.0 GFLOPS
FP32 (float)
691.2 GFLOPS
-
FP64 (double)
43.20 GFLOPS
Graphics Processor
Seymour
GPU Name
Mars
Seymour PRO S3 (216-0809024)
GPU Variant
Mars M2 XTX (216-0842036)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
0.95 billion
67 mm²
Die Size
77 mm²
Board Design
Unknown
TDP
Unknown
-
Suggested PSU
-
Portable Device Dependent
Outputs
Portable Device Dependent
-
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
-
CUDA
-
5.0
Shader Model
6.5 (5.1)
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