Radeon R9 M395X Mac Edition vs GeForce Go 6800 Ultra
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 256MB VRAM GeForce Go 6800 Ultra to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 M395X Mac Edition 's Advantages
Released 10 years and 3 months late
More VRAM (4GB vs 256GB)
Larger VRAM bandwidth (174.7GB/s vs 38.40GB/s)
2048 additional rendering cores
GeForce Go 6800 Ultra 's Advantages
Lower TDP (89W vs 250W)
Score
Graphics Card
May 2015
Release Date
Feb 2005
Crystal System
Generation
GeForce Go 6
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 1.0 x16
Clock Speeds
1365 MHz
Memory Clock
600 MHz
Memory
4GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
256bit
174.7GB/s
Bandwidth
38.40GB/s
Render Config
32
Compute Units
-
2048
Shading Units
-
128
TMUs
12
32
ROPs
8
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
-
Theoretical Performance
29.09 GPixel/s
Pixel Rate
3.600 GPixel/s
116.4 GTexel/s
Texture Rate
5.400 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
-
232.7 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
89W
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
NV41
Amethyst XT
GPU Variant
GO6800 U
GCN 3.0
Architecture
Curie
TSMC
Foundry
TSMC
28 nm
Process Size
130 nm
5 billion
Transistors
0.19 billion
366 mm²
Die Size
225 mm²
Graphics Features
12 (12_0)
DirectX
9.0c (9_3)
4.6
OpenGL
2.0 (full)
2.1 (partial)
2.0
OpenCL
N/A
1.2
Vulkan
N/A
6.3
Shader Model
3.0