Home GPU Comparison AMD Radeon HD 8770M vs NVIDIA GeForce GT 620M

AMD Radeon HD 8770M vs NVIDIA GeForce GT 620M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 1024MB VRAM GeForce GT 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770M 's Advantages
Released 8 months late
Boost Clock825MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (72.00GB/s vs 28.80GB/s)
288 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8770M +150%
0.633 TFLOPS
GeForce GT 620M
0.253 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Aug 2012
Solar System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

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

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
72.00GB/s
Bandwidth
28.80GB/s

Render Config

6
Compute Units
-
-
SM Count
2
384
Shading Units
96
24
TMUs
16
8
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

6.600 GPixel/s
Pixel Rate
2.640 GPixel/s
19.80 GTexel/s
Texture Rate
10.56 GTexel/s
-
-
-
633.6 GFLOPS
FP32 (float)
253.4 GFLOPS
39.60 GFLOPS
FP64 (double)
21.12 GFLOPS

Board Design

Unknown
TDP
15W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Mars
GPU Name
GF108
Mars S3 XT (216-0842018)
GPU Variant
N13P-GLP-A1
GCN 1.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.95 billion
Transistors
0.585 billion
77 mm²
Die Size
116 mm²

Graphics Features

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

Related GPU Comparisons

Related News

© 2024 - TopCPU.net   Contact Us Privacy Policy