Home GPU Comparison AMD Radeon HD 8870M vs ATI Mobility Radeon HD 2600 XT Mac Edition

AMD Radeon HD 8870M vs ATI Mobility Radeon HD 2600 XT Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M 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 HD 8870M 's Advantages
Released 5 years and 9 months late
Boost Clock775MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (72.00GB/s vs 21.92GB/s)
520 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8870M +588%
0.992 TFLOPS
Mobility Radeon HD 2600 XT Mac Edition
0.144 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Jul 2007
Solar System
Generation
M7x
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-II

Clock Speeds

725 MHz
Base Clock
-
775 MHz
Boost Clock
-
1125 MHz
Memory Clock
685 MHz

Memory

2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
72.00GB/s
Bandwidth
21.92GB/s

Render Config

10
Compute Units
3
-
-
-
640
Shading Units
120
40
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
64 KB
-
-
-

Theoretical Performance

12.40 GPixel/s
Pixel Rate
2.400 GPixel/s
31.00 GTexel/s
Texture Rate
4.800 GTexel/s
-
-
-
992.0 GFLOPS
FP32 (float)
144.0 GFLOPS
62.00 GFLOPS
FP64 (double)
-

Board Design

Unknown
TDP
Unknown
-
-
-
Portable Device Dependent
Outputs
Portable Device Dependent
-
-
-

Graphics Processor

Venus
GPU Name
M76
Venus XT (216-0846000)
GPU Variant
M76 XT-M (216XJBKA13FG)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
1.5 billion
Transistors
0.39 billion
123 mm²
Die Size
153 mm²

Graphics Features

12 (11_1)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3
2.1 (1.2)
OpenCL
N/A
1.2.170
Vulkan
N/A
-
-
-
6.5 (5.1)
Shader Model
4.0

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