NVIDIA GeForce GTX 970M vs AMD Radeon HD 7950 Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Oct 2014
Mar 2013
Generation
GeForce 900M
Southern Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
924 MHz
—
Boost Clock
1038 MHz
—
Memory Clock
1253 MHz
1250 MHz
Memory
Memory Size
3GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
384bit
Bandwidth
120.3GB/s
240.0GB/s
Render Config
Shading Units
1280
1792
TMUs
80
112
ROPs
48
32
L1 Cache
48 KB (per SMM)
16 KB (per CU)
L2 Cache
1536 KB
768 KB
Compute Units
—
28
Theoretical Performance
Pixel Rate
49.82 GPixel/s
25.60 GPixel/s
Texture Rate
83.04 GTexel/s
89.60 GTexel/s
FP32 (float)
2.657 TFLOPS
2.867 TFLOPS
FP64 (double)
83.04 GFLOPS
716.8 GFLOPS
Graphics Processor
GPU Name
GM204
Tahiti
GPU Variant
N16E-GT-A2
Tahiti PRO(215-0821056)
Architecture
Maxwell 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5.2 billion
4.313 billion
Die Size
398 mm²
352 mm²
Board Design
TDP
Unknown
200W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
—
550 W
Graphics Features
DirectX
12 (12_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.3
1.2
CUDA
5.2
—
Shader Model
6.7 (6.4)
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.