NVIDIA GeForce GTX 870M vs AMD Radeon R9 M295X
GPU · Specs Compare
Graphics Card
Release Date
Mar 2014
Nov 2014
Generation
GeForce 800M
Crystal System
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
MXM-B (3.0)
Clock Speeds
Base Clock
941 MHz
—
Boost Clock
967 MHz
—
Memory Clock
1250 MHz
1250 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
256bit
Bandwidth
120.0GB/s
160.0GB/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
512 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
27.08 GPixel/s
23.14 GPixel/s
Texture Rate
108.3 GTexel/s
92.54 GTexel/s
FP32 (float)
2.599 TFLOPS
2.961 TFLOPS
FP64 (double)
108.3 GFLOPS
185.1 GFLOPS
FP16 (half)
—
2.961 TFLOPS
Graphics Processor
GPU Name
GK104
Amethyst
GPU Variant
N15E-GT-A2
Amethyst XT
Architecture
Kepler
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
5 billion
Die Size
294 mm²
366 mm²
Board Design
TDP
100W
250W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.2
CUDA
3.0
—
Shader Model
5.1
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.