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GPU Comparison
NVIDIA GeForce GTX 860M vs AMD Radeon HD 7870M
NVIDIA GeForce GTX 860M vs AMD Radeon HD 7870M
VS
NVIDIA GeForce GTX 860M
AMD Radeon HD 7870M
We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 860M 's Advantages
Released 1 years and 9 months late
Boost Clock1085MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (80.19GB/s vs 64.00GB/s)
AMD Radeon HD 7870M 's Advantages
Lower TDP (45W vs 75W)
Score
Benchmark
FP32 (float)
GeForce GTX 860M
+35%
1.389 TFLOPS
Radeon HD 7870M
1.024 TFLOPS
GeForce GTX 860M
VS
Radeon HD 7870M
Graphics Card
Jan 2014
Release Date
Apr 2012
GeForce 800M
Generation
London
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
1020 MHz
Base Clock
-
1085 MHz
Boost Clock
-
1253 MHz
Memory Clock
1000 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
80.19GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
-
Compute Units
10
640
Shading Units
640
40
TMUs
40
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
Theoretical Performance
17.36 GPixel/s
Pixel Rate
12.80 GPixel/s
43.40 GTexel/s
Texture Rate
32.00 GTexel/s
-
FP16 (half)
-
1389 GFLOPS
FP32 (float)
1024 GFLOPS
43.40 GFLOPS
FP64 (double)
64.00 GFLOPS
Graphics Processor
GM107
GPU Name
Heathrow
N15P-GX-A1
GPU Variant
Heathrow XT (216-0835033)
Maxwell
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
1.5 billion
148 mm²
Die Size
123 mm²
Board Design
75W
TDP
45W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
5.0
CUDA
-
5.1
Shader Model
5.1
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