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GPU Comparison
NVIDIA GeForce GTX 870M vs ATI Mobility Radeon HD 3850 X2
NVIDIA GeForce GTX 870M vs ATI Mobility Radeon HD 3850 X2
VS
NVIDIA GeForce GTX 870M
ATI Mobility Radeon HD 3850 X2
We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M and 512MB VRAM Mobility Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 870M 's Advantages
Released 5 years and 9 months late
Boost Clock967MHz
Larger VRAM bandwidth (120.0GB/s vs 48.00GB/s)
1024 additional rendering cores
ATI Mobility Radeon HD 3850 X2 's Advantages
Lower TDP (70W vs 100W)
Score
Benchmark
FP32 (float)
GeForce GTX 870M
+600%
2.599 TFLOPS
Mobility Radeon HD 3850 X2
0.371 TFLOPS
GeForce GTX 870M
VS
Mobility Radeon HD 3850 X2
Graphics Card
Mar 2014
Release Date
Jun 2008
GeForce 800M
Generation
M8x
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
941 MHz
Base Clock
-
967 MHz
Boost Clock
-
1250 MHz
Memory Clock
750 MHz
Memory
3GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
192bit
Memory Bus
256bit
120.0GB/s
Bandwidth
48.00GB/s
Render Config
-
SM Count
-
-
Compute Units
4
1344
Shading Units
320
112
TMUs
16
24
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
-
384 KB
L2 Cache
256 KB
Theoretical Performance
27.08 GPixel/s
Pixel Rate
9.280 GPixel/s
108.3 GTexel/s
Texture Rate
9.280 GTexel/s
-
FP16 (half)
-
2.599 TFLOPS
FP32 (float)
371.2 GFLOPS
108.3 GFLOPS
FP64 (double)
74.24 GFLOPS
Graphics Processor
GK104
GPU Name
M88
N15E-GT-A2
GPU Variant
-
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
3.54 billion
Transistors
0.666 billion
294 mm²
Die Size
192 mm²
Board Design
100W
TDP
70W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.1
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