NVIDIA GeForce 8600M GT Mac Edition vs AMD Radeon R5 A255
We compared two Mobile platform GPUs: 512MB VRAM GeForce 8600M GT Mac Edition and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R5 A255 's Advantages
Released 6 years and 3 months late
Boost Clock940MHz
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (64.00GB/s vs 20.32GB/s)
352 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8600M GT Mac Edition
0.06 TFLOPS
Radeon R5 A255
+1101%
0.721 TFLOPS
Graphics Card
Oct 2007
Release Date
Jan 2014
GeForce 8M
Generation
All-In-One
Mobile
Type
Mobile
MXM-II
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
925 MHz
-
Boost Clock
940 MHz
635 MHz
Memory Clock
1000 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
20.32GB/s
Bandwidth
64.00GB/s
Render Config
-
Compute Units
6
4
SM Count
-
32
Shading Units
384
16
TMUs
24
8
ROPs
8
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
32 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
3.760 GPixel/s
Pixel Rate
7.520 GPixel/s
7.520 GTexel/s
Texture Rate
22.56 GTexel/s
-
-
-
60.16 GFLOPS
FP32 (float)
721.9 GFLOPS
-
-
-
Board Design
20W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-
Graphics Processor
G84
GPU Name
Topaz
NB8P-GS
GPU Variant
Topaz PRO
(216-0858030)
Tesla
Architecture
GCN 3.0
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.289 billion
Transistors
1.55 billion
169 mm²
Die Size
125 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (12_0)
3.3
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.2.170
1.1
CUDA
-
4.0
Shader Model
6.5
