Home GPU Comparison AMD Radeon HD 8770M vs NVIDIA GeForce 920A

AMD Radeon HD 8770M vs NVIDIA GeForce 920A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 2GB VRAM GeForce 920A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770M 's Advantages
Boost Clock825MHz
Larger VRAM bandwidth (72.00GB/s vs 16.02GB/s)
NVIDIA GeForce 920A 's Advantages
Released 1 years and 11 months late

Score

Benchmark

FP32 (float)
Radeon HD 8770M
0.633 TFLOPS
GeForce 920A +15%
0.733 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Mar 2015
Solar System
Generation
GeForce 900A
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

775 MHz
Base Clock
-
825 MHz
Boost Clock
-
1125 MHz
Memory Clock
1001 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
72.00GB/s
Bandwidth
16.02GB/s

Render Config

6
Compute Units
-
-
-
-
384
Shading Units
384
24
TMUs
32
8
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

6.600 GPixel/s
Pixel Rate
7.632 GPixel/s
19.80 GTexel/s
Texture Rate
30.53 GTexel/s
-
-
-
633.6 GFLOPS
FP32 (float)
732.7 GFLOPS
39.60 GFLOPS
FP64 (double)
30.53 GFLOPS

Board Design

Unknown
TDP
33W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Mars
GPU Name
GK208B
Mars S3 XT (216-0842018)
GPU Variant
N16V-GM
GCN 1.0
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.95 billion
Transistors
1.02 billion
77 mm²
Die Size
87 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
3.0
1.2.170
Vulkan
1.1
-
CUDA
3.5
6.5 (5.1)
Shader Model
5.1

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