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GPU Comparison
AMD Radeon HD 6450M vs ATI Mobility Radeon HD 3870 X2
AMD Radeon HD 6450M vs ATI Mobility Radeon HD 3870 X2
VS
AMD Radeon HD 6450M
ATI Mobility Radeon HD 3870 X2
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6450M and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6450M 's Advantages
Released 2 years and 4 months late
More VRAM (1024GB vs 512GB)
ATI Mobility Radeon HD 3870 X2 's Advantages
Larger VRAM bandwidth (54.40GB/s vs 12.80GB/s)
160 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6450M
0.192 TFLOPS
Mobility Radeon HD 3870 X2
+119%
0.422 TFLOPS
Radeon HD 6450M
VS
Mobility Radeon HD 3870 X2
Graphics Card
Jan 2011
Release Date
Sep 2008
Vancouver
Generation
M8x
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
800 MHz
Memory Clock
850 MHz
Memory
1024MB
Memory Size
512MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
256bit
12.80GB/s
Bandwidth
54.40GB/s
Render Config
-
SM Count
-
2
Compute Units
4
160
Shading Units
320
8
TMUs
16
4
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
-
128 KB
L2 Cache
256 KB
Theoretical Performance
2.400 GPixel/s
Pixel Rate
10.56 GPixel/s
4.800 GTexel/s
Texture Rate
10.56 GTexel/s
-
FP16 (half)
-
192.0 GFLOPS
FP32 (float)
422.4 GFLOPS
-
FP64 (double)
84.48 GFLOPS
Graphics Processor
Seymour
GPU Name
M88
Seymour PRO S3 (216-0809024)
GPU Variant
-
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.37 billion
Transistors
0.666 billion
67 mm²
Die Size
192 mm²
Board Design
Unknown
TDP
110W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.1
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