AMD Radeon R9 M295X Mac Edition vs NVIDIA GeForce 800A
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X Mac Edition and 1024MB VRAM GeForce 800A 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
Released 8 months late
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (174.3GB/s vs 14.40GB/s)
2000 additional rendering cores
NVIDIA GeForce 800A 's Advantages
Lower TDP (15W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M295X Mac Edition
+3726%
3.482 TFLOPS
GeForce 800A
0.091 TFLOPS
Graphics Card
Nov 2014
Release Date
Mar 2014
Crystal System
Generation
GeForce 800A
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1362 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
174.3GB/s
Bandwidth
14.40GB/s
Render Config
32
Compute Units
-
-
SM Count
1
2048
Shading Units
48
128
TMUs
8
32
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
27.20 GPixel/s
Pixel Rate
950.0 MPixel/s
108.8 GTexel/s
Texture Rate
3.800 GTexel/s
3.482 TFLOPS
FP16 (half)
-
3.482 TFLOPS
FP32 (float)
91.20 GFLOPS
217.6 GFLOPS
FP64 (double)
7.600 GFLOPS
Board Design
250W
TDP
15W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
Amethyst
GPU Name
GF119
Amethyst XT
GPU Variant
-
GCN 3.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5 billion
Transistors
0.292 billion
366 mm²
Die Size
79 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.3
Shader Model
5.1
