AMD Radeon HD 8970M vs NVIDIA GeForce GTX 680MX Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
May 2013
Oct 2012
Generation
Solar System
GeForce 600M
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
—
Boost Clock
900 MHz
—
Memory Clock
1200 MHz
1250 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
160.0GB/s
Render Config
Compute Units
20
—
Shading Units
1280
1536
TMUs
80
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
23.01 GPixel/s
Texture Rate
72.00 GTexel/s
92.03 GTexel/s
FP32 (float)
2.304 TFLOPS
2.209 TFLOPS
FP64 (double)
144.0 GFLOPS
92.03 GFLOPS
Graphics Processor
GPU Name
Neptune
GK104
GPU Variant
Neptune XT(216-0847000)
N13E-GTX2-A2
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
3.54 billion
Die Size
212 mm²
294 mm²
Board Design
TDP
100W
122W
Outputs
No outputs
No outputs
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.1
Shader Model
5.1
5.1
CUDA
—
3.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.