ATI Radeon HD 5870 Mac Edition vs NVIDIA GeForce GTX 970M
GPU Specs Compare
Graphics Card
Release Date
Jun 2010
Oct 2014
Generation
Evergreen
GeForce 900M
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1195 MHz
1253 MHz
Base Clock
-
924 MHz
Boost Clock
-
1038 MHz
Memory
Memory Size
1024MB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
192bit
Bandwidth
153.0GB/s
120.3GB/s
Render Config
Compute Units
20
-
Shading Units
1600
1280
TMUs
80
80
ROPs
32
48
L1 Cache
8 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
1536 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
49.82 GPixel/s
Texture Rate
68.00 GTexel/s
83.04 GTexel/s
FP32 (float)
2.720 TFLOPS
2.657 TFLOPS
FP64 (double)
544.0 GFLOPS
83.04 GFLOPS
Graphics Processor
GPU Name
Cypress
GM204
GPU Variant
Cypress XT(215-0735033)
N16E-GT-A2
Architecture
TeraScale 2
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
5.2 billion
Die Size
334 mm²
398 mm²
Board Design
TDP
228W
Unknown
Suggested PSU
550 W
-
Outputs
1x DVI2x mini-DisplayPort 1.1
Portable Device Dependent
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.3
Shader Model
5.0
6.7 (6.4)
CUDA
-
5.2