NVIDIA GeForce GTX 980 Mobile vs AMD Radeon HD 8770 OEM
GPU Specs Compare
Graphics Card
Release Date
Sep 2015
Sep 2013
Generation
GeForce 900M
Sea Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
1064 MHz
-
Boost Clock
1140 MHz
-
Memory Clock
1753 MHz
1500 MHz
Memory
Memory Size
8GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
224.4GB/s
96.00GB/s
Render Config
Shading Units
2048
896
TMUs
128
56
ROPs
64
16
L1 Cache
48 KB (per SMM)
16 KB (per CU)
L2 Cache
2 MB
256 KB
Compute Units
-
14
Theoretical Performance
Pixel Rate
72.96 GPixel/s
16.80 GPixel/s
Texture Rate
145.9 GTexel/s
58.80 GTexel/s
FP32 (float)
4.669 TFLOPS
1.882 TFLOPS
FP64 (double)
145.9 GFLOPS
117.6 GFLOPS
Graphics Processor
GPU Name
GM204
Bonaire
GPU Variant
N16E-GXX-A1
Bonaire XT(215-0839039)
Architecture
Maxwell 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5.2 billion
2.08 billion
Die Size
398 mm²
160 mm²
Board Design
TDP
Unknown
85W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
-
250 W
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
5.2
-
Shader Model
6.7 (6.4)
6.3