AMD Radeon R9 M295X Mac Edition vs NVIDIA GeForce 805A
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X Mac Edition and 1024MB VRAM GeForce 805A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M295X Mac Edition 's Advantages
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (174.3GB/s vs 16.02GB/s)
1856 additional rendering cores
NVIDIA GeForce 805A 's Advantages
Boost Clock758MHz
Lower TDP (15W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M295X Mac Edition
+1096%
3.482 TFLOPS
GeForce 805A
0.291 TFLOPS
Graphics Card
Nov 2014
Release Date
Jul 2014
Crystal System
Generation
GeForce 800A
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
719 MHz
-
Boost Clock
758 MHz
1362 MHz
Memory Clock
1001 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
174.3GB/s
Bandwidth
16.02GB/s
Render Config
32
Compute Units
-
-
-
-
2048
Shading Units
192
128
TMUs
16
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
27.20 GPixel/s
Pixel Rate
6.064 GPixel/s
108.8 GTexel/s
Texture Rate
12.13 GTexel/s
3.482 TFLOPS
FP16 (half)
-
3.482 TFLOPS
FP32 (float)
291.1 GFLOPS
217.6 GFLOPS
FP64 (double)
12.13 GFLOPS
Board Design
250W
TDP
15W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
Amethyst
GPU Name
GK208
Amethyst XT
GPU Variant
-
GCN 3.0
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
1.02 billion
366 mm²
Die Size
87 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.5
6.3
Shader Model
5.1
