NVIDIA GeForce GTX 880M vs AMD Radeon R9 M390 Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Mar 2014
May 2015
Generation
GeForce 800M
Crystal System
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
954 MHz
-
Boost Clock
993 MHz
-
Memory Clock
1250 MHz
1365 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
174.7GB/s
Render Config
Shading Units
1536
1024
TMUs
128
64
ROPs
32
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Compute Units
-
16
Theoretical Performance
Pixel Rate
31.78 GPixel/s
30.66 GPixel/s
Texture Rate
127.1 GTexel/s
61.31 GTexel/s
FP32 (float)
3.050 TFLOPS
1.962 TFLOPS
FP64 (double)
127.1 GFLOPS
122.6 GFLOPS
Graphics Processor
GPU Name
GK104
Pitcairn
GPU Variant
N15E-GX-A2
Pitcairn PRO(215-0828062)
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
122W
80W
Outputs
No outputs
No outputs
Power Connectors
None
None
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
📊 Benchmark
Blender
190
-