AMD Radeon HD 6630M vs ATI Mobility Radeon HD 3850
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6630M and 512MB VRAM Mobility Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6630M 's Advantages
Released 2 years and 7 months late
More VRAM (1024GB vs 512GB)
160 additional rendering cores
Lower TDP (26W vs 35W)
ATI Mobility Radeon HD 3850 's Advantages
Larger VRAM bandwidth (48.00GB/s vs 25.60GB/s)
Score
AMD Radeon HD 6630M
ATI Mobility Radeon HD 3850
Benchmark
FP32 (float)
Radeon HD 6630M
+29%
0.48 TFLOPS
Mobility Radeon HD 3850
0.371 TFLOPS
Graphics Card
Jan 2011
Release Date
Jun 2008
Vancouver
Generation
M8x
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
Base Clock
0
Boost Clock
0
800 MHz
Memory Clock
750 MHz
Memory
1024MB
Memory Size
512MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
256bit
25.60GB/s
Bandwidth
48.00GB/s
Render Config
6
Compute Units
4
SM Count
480
Shading Units
320
24
TMUs
16
8
ROPs
16
Tensor Cores
RT Cores
8 KB (per CU)
L1 Cache
256 KB
L2 Cache
256 KB
0
L3 Cache
0
Theoretical Performance
4.000 GPixel/s
Pixel Rate
9.280 GPixel/s
12.00 GTexel/s
Texture Rate
9.280 GTexel/s
FP16 (half)
480.0 GFLOPS
FP32 (float)
371.2 GFLOPS
FP64 (double)
74.24 GFLOPS
Board Design
26W
TDP
35W
Suggested PSU
No outputs
Outputs
No outputs
Power Connectors
Graphics Processor
Whistler
GPU Name
M88
Whistler LP
GPU Variant
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.716 billion
Transistors
0.666 billion
104 mm²
Die Size
192 mm²
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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