NVIDIA GeForce GTX 870M vs AMD P30PH
GPU Specs Compare
Graphics Card
Release Date
Mar 2014
Unknown
Generation
GeForce 800M
Mining GPUs
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
941 MHz
1120 MHz
Boost Clock
967 MHz
1206 MHz
Memory Clock
1250 MHz
2100 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
256bit
Bandwidth
120.0GB/s
268.8GB/s
Render Config
Shading Units
1344
2048
TMUs
112
128
ROPs
24
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
384 KB
2 MB
Compute Units
-
32
Theoretical Performance
Pixel Rate
27.08 GPixel/s
38.59 GPixel/s
Texture Rate
108.3 GTexel/s
154.4 GTexel/s
FP32 (float)
2.599 TFLOPS
4.940 TFLOPS
FP64 (double)
108.3 GFLOPS
308.7 GFLOPS
FP16 (half)
-
4.940 TFLOPS
Graphics Processor
GPU Name
GK104
Polaris 20
GPU Variant
N15E-GT-A2
-
Architecture
Kepler
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
3.54 billion
5.7 billion
Die Size
294 mm²
232 mm²
Board Design
TDP
100W
180W
Outputs
No outputs
1x HDMI 2.0b
Power Connectors
None
2x 8-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.3
CUDA
3.0
-
Shader Model
5.1
6.7