NVIDIA GeForce GTX 870M vs AMD Radeon R7 265X OEM
GPU Specs Compare
Graphics Card
Release Date
Mar 2014
Aug 2014
Generation
GeForce 800M
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
941 MHz
900 MHz
Boost Clock
967 MHz
925 MHz
Memory Clock
1250 MHz
1400 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
256bit
Bandwidth
120.0GB/s
179.2GB/s
Render Config
Shading Units
1344
1280
TMUs
112
80
ROPs
24
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
384 KB
512 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
27.08 GPixel/s
29.60 GPixel/s
Texture Rate
108.3 GTexel/s
74.00 GTexel/s
FP32 (float)
2.599 TFLOPS
2.368 TFLOPS
FP64 (double)
108.3 GFLOPS
148.0 GFLOPS
Graphics Processor
GPU Name
GK104
Curacao
GPU Variant
N15E-GT-A2
Curacao PRO(215-0848000)
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
2.8 billion
Die Size
294 mm²
212 mm²
Board Design
TDP
100W
150W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.1
1.2
CUDA
3.0
-
Shader Model
5.1
5.1