Home GPU Comparison AMD Radeon Pro 555 vs ATI Mobility Radeon HD 2600 XT Mac Edition

AMD Radeon Pro 555 vs ATI Mobility Radeon HD 2600 XT Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 555 and 256MB VRAM Mobility Radeon HD 2600 XT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555 's Advantages
Released 9 years and 11 months late
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (81.60GB/s vs 21.92GB/s)
648 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon Pro 555 +806%
1.306 TFLOPS
Mobility Radeon HD 2600 XT Mac Edition
0.144 TFLOPS
VS

Graphics Card

Jun 2017
Release Date
Jul 2007
Radeon Pro Mac
Generation
M7x
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-II

Clock Speeds

-
-
-
-
-
-
1275 MHz
Memory Clock
685 MHz

Memory

2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
81.60GB/s
Bandwidth
21.92GB/s

Render Config

12
Compute Units
3
-
-
-
768
Shading Units
120
48
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
1024 KB
L2 Cache
64 KB
-
-
-

Theoretical Performance

13.60 GPixel/s
Pixel Rate
2.400 GPixel/s
40.80 GTexel/s
Texture Rate
4.800 GTexel/s
1306 GFLOPS
FP16 (half)
-
1306 GFLOPS
FP32 (float)
144.0 GFLOPS
81.60 GFLOPS
FP64 (double)
-

Board Design

75W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-

Graphics Processor

Polaris 21
GPU Name
M76
Polaris 21 PRO
GPU Variant
M76 XT-M (216XJBKA13FG)
GCN 4.0
Architecture
TeraScale
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
65 nm
3 billion
Transistors
0.39 billion
123 mm²
Die Size
153 mm²

Graphics Features

12 (12_0)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3
2.1
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
6.4
Shader Model
4.0

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