NVIDIA GeForce GTX 780M Mac Edition vs AMD Radeon HD 8770 OEM
GPU · Specs Compare
Graphics Card
Release Date
Nov 2013
Sep 2013
Generation
GeForce 700M
Sea Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
771 MHz
—
Boost Clock
797 MHz
—
Memory Clock
1250 MHz
1500 MHz
Memory
Memory Size
4GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
96.00GB/s
Render Config
Shading Units
1536
896
TMUs
128
56
ROPs
32
16
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Compute Units
—
14
Theoretical Performance
Pixel Rate
25.50 GPixel/s
16.80 GPixel/s
Texture Rate
102.0 GTexel/s
58.80 GTexel/s
FP32 (float)
2.448 TFLOPS
1.882 TFLOPS
FP64 (double)
102.0 GFLOPS
117.6 GFLOPS
Graphics Processor
GPU Name
GK104
Bonaire
GPU Variant
N14E-GTX-A2
Bonaire XT(215-0839039)
Architecture
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
2.08 billion
Die Size
294 mm²
160 mm²
Board Design
TDP
122W
85W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Suggested PSU
—
250 W
Power Connectors
—
1x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.2
CUDA
3.0
—
Shader Model
5.1
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.